23422556520 has 96 divisors (see below), whose sum is σ = 83043623520. Its totient is φ = 5678194560.

The previous prime is 23422556477. The next prime is 23422556543. The reversal of 23422556520 is 2565522432.

23422556520 is a `hidden beast` number, since 2 + 34 + 22 + 556 + 52 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2953434 + ... + 2961353.

It is an arithmetic number, because the mean of its divisors is an integer number (865037745).

Almost surely, 2^23422556520 is an apocalyptic number.

23422556520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23422556520 is an abundant number, since it is smaller than the sum of its proper divisors (59621067000).

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

23422556520 is a wasteful number, since it uses less digits than its factorization.

23422556520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5914815 (or 5914808 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 23422556520 in words is "twenty-three billion, four hundred twenty-two million, five hundred fifty-six thousand, five hundred twenty".