23553957 has 12 divisors (see below), whose sum is σ = 36532896. Its totient is φ = 13459320.

The previous prime is 23553953. The next prime is 23553973. The reversal of 23553957 is 75935532.

It is not a de Polignac number, because 23553957 - 2² = 23553953 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23553953) 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, 79969 + ... + 80262.

It is an arithmetic number, because the mean of its divisors is an integer number (3044408).

Almost surely, 2^23553957 is an apocalyptic number.

It is an amenable number.

23553957 is a deficient number, since it is larger than the sum of its proper divisors (12978939).

23553957 is a wasteful number, since it uses less digits than its factorization.

23553957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160248 (or 160241 counting only the distinct ones).

The product of its digits is 141750, while the sum is 39.

The square root of 23553957 is about 4853.2419061901. The cubic root of 23553957 is about 286.6517688009.

The spelling of 23553957 in words is "twenty-three million, five hundred fifty-three thousand, nine hundred fifty-seven".