23693864 has 32 divisors (see below), whose sum is σ = 47139840. Its totient is φ = 11140800.

The previous prime is 23693849. The next prime is 23693867. The reversal of 23693864 is 46839632.

It is a super-2 number, since 2×23693864² = 1122798382500992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23693867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10169 + ... + 12279.

It is an arithmetic number, because the mean of its divisors is an integer number (1473120).

Almost surely, 2^23693864 is an apocalyptic number.

It is an amenable number.

23693864 is a deficient number, since it is larger than the sum of its proper divisors (23445976).

23693864 is a wasteful number, since it uses less digits than its factorization.

23693864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201 (or 2197 counting only the distinct ones).

The product of its digits is 186624, while the sum is 41.

The square root of 23693864 is about 4867.6343330205. The cubic root of 23693864 is about 287.2182050465.

The spelling of 23693864 in words is "twenty-three million, six hundred ninety-three thousand, eight hundred sixty-four".