23439052 has 36 divisors (see below), whose sum is σ = 51391200. Its totient is φ = 9271584.

The previous prime is 23439049. The next prime is 23439071. The reversal of 23439052 is 25093432.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 23439052.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2052 + ... + 7147.

Almost surely, 2^23439052 is an apocalyptic number.

It is an amenable number.

23439052 is an abundant number, since it is smaller than the sum of its proper divisors (27952148).

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

23439052 is a wasteful number, since it uses less digits than its factorization.

23439052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9230 (or 9221 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 23439052 is about 4841.3894699766. The cubic root of 23439052 is about 286.1848772865.

The spelling of 23439052 in words is "twenty-three million, four hundred thirty-nine thousand, fifty-two".