23151562554 has 16 divisors (see below), whose sum is σ = 46317065760. Its totient is φ = 7714864080.

The previous prime is 23151562549. The next prime is 23151562573. The reversal of 23151562554 is 45526515132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559209 + ... + 599180.

It is an arithmetic number, because the mean of its divisors is an integer number (2894816610).

Almost surely, 2^23151562554 is an apocalyptic number.

23151562554 is an abundant number, since it is smaller than the sum of its proper divisors (23165503206).

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

23151562554 is a wasteful number, since it uses less digits than its factorization.

23151562554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161725.

The product of its digits is 180000, while the sum is 39.

The spelling of 23151562554 in words is "twenty-three billion, one hundred fifty-one million, five hundred sixty-two thousand, five hundred fifty-four".