23393864 has 32 divisors (see below), whose sum is σ = 49728000. Its totient is φ = 10228032.

The previous prime is 23393863. The next prime is 23393873. The reversal of 23393864 is 46839332.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (23393863) 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, 3944 + ... + 7895.

It is an arithmetic number, because the mean of its divisors is an integer number (1554000).

Almost surely, 2^23393864 is an apocalyptic number.

It is an amenable number.

23393864 is an abundant number, since it is smaller than the sum of its proper divisors (26334136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23393864 is a wasteful number, since it uses less digits than its factorization.

23393864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11877 (or 11873 counting only the distinct ones).

The product of its digits is 93312, while the sum is 38.

The square root of 23393864 is about 4836.7203764534. The cubic root of 23393864 is about 286.0008476347. Note that the first 3 decimals are identical.

The spelling of 23393864 in words is "twenty-three million, three hundred ninety-three thousand, eight hundred sixty-four".