23655923 has 4 divisors (see below), whose sum is σ = 23779968. Its totient is φ = 23531880.

The previous prime is 23655911. The next prime is 23655949. The reversal of 23655923 is 32955632.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23655923 - 2¹⁸ = 23393779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23655953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61736 + ... + 62117.

It is an arithmetic number, because the mean of its divisors is an integer number (5944992).

Almost surely, 2^23655923 is an apocalyptic number.

23655923 is a deficient number, since it is larger than the sum of its proper divisors (124045).

23655923 is a wasteful number, since it uses less digits than its factorization.

23655923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124044.

The product of its digits is 48600, while the sum is 35.

The square root of 23655923 is about 4863.7354985649. The cubic root of 23655923 is about 287.0648155763.

The spelling of 23655923 in words is "twenty-three million, six hundred fifty-five thousand, nine hundred twenty-three".