23628957 has 16 divisors (see below), whose sum is σ = 34885632. Its totient is φ = 14105520.

The previous prime is 23628949. The next prime is 23628959. The reversal of 23628957 is 75982632.

It is not a de Polignac number, because 23628957 - 2³ = 23628949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23628959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3133 + ... + 7554.

It is an arithmetic number, because the mean of its divisors is an integer number (2180352).

Almost surely, 2^23628957 is an apocalyptic number.

It is an amenable number.

23628957 is a deficient number, since it is larger than the sum of its proper divisors (11256675).

23628957 is a wasteful number, since it uses less digits than its factorization.

23628957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10768.

The product of its digits is 181440, while the sum is 42.

The square root of 23628957 is about 4860.9625590000. The cubic root of 23628957 is about 286.9556965611.

The spelling of 23628957 in words is "twenty-three million, six hundred twenty-eight thousand, nine hundred fifty-seven".