23057964 has 18 divisors (see below), whose sum is σ = 58285500. Its totient is φ = 7685976.

The previous prime is 23057941. The next prime is 23057971. The reversal of 23057964 is 46975032.

23057964 is a `hidden beast` number, since 23 + 0 + 579 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 640499 = 23057964 / (2 + 3 + 0 + 5 + 7 + 9 + 6 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 320214 + ... + 320285.

Almost surely, 2^23057964 is an apocalyptic number.

It is an amenable number.

23057964 is an abundant number, since it is smaller than the sum of its proper divisors (35227536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23057964 is a wasteful number, since it uses less digits than its factorization.

23057964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640509 (or 640504 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 23057964 is about 4801.8708853946. The cubic root of 23057964 is about 284.6253988872.

The spelling of 23057964 in words is "twenty-three million, fifty-seven thousand, nine hundred sixty-four".