23657164 has 24 divisors (see below), whose sum is σ = 43062768. Its totient is φ = 11362560.

The previous prime is 23657141. The next prime is 23657197. The reversal of 23657164 is 46175632.

It is a happy number.

It is a super-2 number, since 2×23657164² = 1119322817045792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9912 + ... + 12064.

It is an arithmetic number, because the mean of its divisors is an integer number (1794282).

Almost surely, 2^23657164 is an apocalyptic number.

It is an amenable number.

23657164 is a deficient number, since it is larger than the sum of its proper divisors (19405604).

23657164 is a wasteful number, since it uses less digits than its factorization.

23657164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265 (or 2263 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 23657164 is about 4863.8630737306. The cubic root of 23657164 is about 287.0698353369.

The spelling of 23657164 in words is "twenty-three million, six hundred fifty-seven thousand, one hundred sixty-four".