23623903 has 2 divisors, whose sum is σ = 23623904. Its totient is φ = 23623902.

The previous prime is 23623889. The next prime is 23623909. The reversal of 23623903 is 30932632.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23623903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23623909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11811951 + 11811952.

It is an arithmetic number, because the mean of its divisors is an integer number (11811952).

Almost surely, 2^23623903 is an apocalyptic number.

23623903 is a deficient number, since it is larger than the sum of its proper divisors (1).

23623903 is an equidigital number, since it uses as much as digits as its factorization.

23623903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 23623903 is about 4860.4426753126. The cubic root of 23623903 is about 286.9352361079.

The spelling of 23623903 in words is "twenty-three million, six hundred twenty-three thousand, nine hundred three".