23580397928 has 16 divisors (see below), whose sum is σ = 44228446980. Its totient is φ = 11786145408.

The previous prime is 23580397909. The next prime is 23580397933. The reversal of 23580397928 is 82979308532.

It can be written as a sum of positive squares in 2 ways, for example, as 22267205284 + 1313192644 = 149222^2 + 36238^2 .

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, 481901 + ... + 528572.

Almost surely, 2^23580397928 is an apocalyptic number.

It is an amenable number.

23580397928 is a deficient number, since it is larger than the sum of its proper divisors (20648049052).

23580397928 is a wasteful number, since it uses less digits than its factorization.

23580397928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013396 (or 1013392 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 23580397928 in words is "twenty-three billion, five hundred eighty million, three hundred ninety-seven thousand, nine hundred twenty-eight".