23621552 has 20 divisors (see below), whose sum is σ = 47757360. Its totient is φ = 11297088.

The previous prime is 23621539. The next prime is 23621567. The reversal of 23621552 is 25512632.

It is a zygodrome in base 3.

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 3 ways as a sum of consecutive naturals, for example, 31727 + ... + 32462.

It is an arithmetic number, because the mean of its divisors is an integer number (2387868).

Almost surely, 2^23621552 is an apocalyptic number.

It is an amenable number.

23621552 is an abundant number, since it is smaller than the sum of its proper divisors (24135808).

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

23621552 is a wasteful number, since it uses less digits than its factorization.

23621552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64220 (or 64214 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 23621552 is about 4860.2008188963. The cubic root of 23621552 is about 286.9257173997.

The spelling of 23621552 in words is "twenty-three million, six hundred twenty-one thousand, five hundred fifty-two".