23032520406 has 24 divisors (see below), whose sum is σ = 57032907984. Its totient is φ = 6580720080.

The previous prime is 23032520393. The next prime is 23032520429. The reversal of 23032520406 is 60402523032.

23032520406 is a `hidden beast` number, since 2 + 3 + 0 + 3 + 252 + 0 + 406 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 23032520406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91398765 + ... + 91399016.

It is an arithmetic number, because the mean of its divisors is an integer number (2376371166).

Almost surely, 2^23032520406 is an apocalyptic number.

23032520406 is an abundant number, since it is smaller than the sum of its proper divisors (34000387578).

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

23032520406 is a wasteful number, since it uses less digits than its factorization.

23032520406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182797796 (or 182797793 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The spelling of 23032520406 in words is "twenty-three billion, thirty-two million, five hundred twenty thousand, four hundred six".