Discover a lot of information on the number 23: properties, mathematical operations, how to write it, symbolism, numerology, representations and many other interesting things!

## Mathematical properties of 23

Is 23 a prime number? Yes
Is 23 a perfect number? No
Number of divisors 2
List of dividers 1, 23
Sum of divisors 24
Prime factorization 23
Prime factors 23

## How to write / spell 23 in letters?

In letters, the number 23 is written as: Twenty-three. And in other languages? how does it spell?

23 in other languages
Write 23 in english Twenty-three
Write 23 in french Vingt-trois
Write 23 in spanish Veintitrés
Write 23 in portuguese Vinte e três

## Decomposition of the number 23

The number 23 is composed of:

1 iteration of the number 2 : The number 2 (two) represents double, association, cooperation, union, complementarity. It is the symbol of duality.... Find out more about the number 2

1 iteration of the number 3 : The number 3 (three) is the symbol of the trinity. He also represents the union.... Find out more about the number 3

Other ways to write 23
In letter Twenty-three
In roman numeral XXIII
In binary 10111
In octal 27
In US dollars USD 23.00 (\$)
In euros 23,00 EUR (€)
Some related numbers
Previous number 22
Next number 24
Next prime number 29

## Mathematical operations

Operations and solutions
23*2 = 46 The double of 23 is 46
23*3 = 69 The triple of 23 is 69
23/2 = 11.5 The half of 23 is 11.500000
23/3 = 7.6666666666667 The third of 23 is 7.666667
232 = 529 The square of 23 is 529.000000
233 = 12167 The cube of 23 is 12167.000000
√23 = 4.7958315233127 The square root of 23 is 4.795832
log(23) = 3.1354942159291 The natural (Neperian) logarithm of 23 is 3.135494
log10(23) = 1.3617278360176 The decimal logarithm (base 10) of 23 is 1.361728
sin(23) = -0.84622040417517 The sine of 23 is -0.846220
cos(23) = -0.5328330203334 The cosine of 23 is -0.532833
tan(23) = 1.5881530833913 The tangent of 23 is 1.588153