23656923 has 12 divisors (see below), whose sum is σ = 34966360. Its totient is φ = 15404256.

The previous prime is 23656907. The next prime is 23656939. The reversal of 23656923 is 32965632.

It is an interprime number because it is at equal distance from previous prime (23656907) and next prime (23656939).

It is not a de Polignac number, because 23656923 - 2⁴ = 23656907 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23656973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30178 + ... + 30951.

Almost surely, 2^23656923 is an apocalyptic number.

23656923 is a deficient number, since it is larger than the sum of its proper divisors (11309437).

23656923 is a wasteful number, since it uses less digits than its factorization.

23656923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61178 (or 61175 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 23656923 is about 4863.8382991214. The cubic root of 23656923 is about 287.0688605220.

The spelling of 23656923 in words is "twenty-three million, six hundred fifty-six thousand, nine hundred twenty-three".