23399552 has 32 divisors (see below), whose sum is σ = 50857200. Its totient is φ = 10635520.

The previous prime is 23399521. The next prime is 23399569. The reversal of 23399552 is 25599332.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6902 + ... + 9717.

Almost surely, 2^23399552 is an apocalyptic number.

23399552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23399552 is an abundant number, since it is smaller than the sum of its proper divisors (27457648).

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

23399552 is a wasteful number, since it uses less digits than its factorization.

23399552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16644 (or 16632 counting only the distinct ones).

The product of its digits is 72900, while the sum is 38.

The square root of 23399552 is about 4837.3083424566. The cubic root of 23399552 is about 286.0240252365.

The spelling of 23399552 in words is "twenty-three million, three hundred ninety-nine thousand, five hundred fifty-two".