23652520 has 32 divisors (see below), whose sum is σ = 53365320. Its totient is φ = 9434880.

The previous prime is 23652479. The next prime is 23652539. The reversal of 23652520 is 2525632.

It can be written as a sum of positive squares in 4 ways, for example, as 22867524 + 784996 = 4782^2 + 886^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21094 + ... + 22186.

Almost surely, 2^23652520 is an apocalyptic number.

23652520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23652520 is an abundant number, since it is smaller than the sum of its proper divisors (29712800).

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

23652520 is a wasteful number, since it uses less digits than its factorization.

23652520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645 (or 1641 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 23652520 is about 4863.3856519918. The cubic root of 23652520 is about 287.0510497721.

The spelling of 23652520 in words is "twenty-three million, six hundred fifty-two thousand, five hundred twenty".