23005558560 has 96 divisors (see below), whose sum is σ = 72735328512. Its totient is φ = 6112143360.

The previous prime is 23005558559. The next prime is 23005558577. The reversal of 23005558560 is 6585550032.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41652 + ... + 218508.

It is an arithmetic number, because the mean of its divisors is an integer number (757659672).

Almost surely, 2^23005558560 is an apocalyptic number.

23005558560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23005558560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36367664256).

23005558560 is an abundant number, since it is smaller than the sum of its proper divisors (49729769952).

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

23005558560 is a wasteful number, since it uses less digits than its factorization.

23005558560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177146 (or 177138 counting only the distinct ones).

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

The spelling of 23005558560 in words is "twenty-three billion, five million, five hundred fifty-eight thousand, five hundred sixty".