23388057 has 24 divisors (see below), whose sum is σ = 42120000. Its totient is φ = 12149280.

The previous prime is 23388049. The next prime is 23388061. The reversal of 23388057 is 75088332.

It is not a de Polignac number, because 23388057 - 2³ = 23388049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23388097) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16182 + ... + 17567.

It is an arithmetic number, because the mean of its divisors is an integer number (1755000).

Almost surely, 2^23388057 is an apocalyptic number.

It is an amenable number.

23388057 is a deficient number, since it is larger than the sum of its proper divisors (18731943).

23388057 is a wasteful number, since it uses less digits than its factorization.

23388057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33773 (or 33770 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 23388057 is about 4836.1200357311. The cubic root of 23388057 is about 285.9771812528.

The spelling of 23388057 in words is "twenty-three million, three hundred eighty-eight thousand, fifty-seven".