23718868128 has 72 divisors (see below), whose sum is σ = 70383182688. Its totient is φ = 7562535552.

The previous prime is 23718868081. The next prime is 23718868141. The reversal of 23718868128 is 82186881732.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1783750 + ... + 1796997.

It is an arithmetic number, because the mean of its divisors is an integer number (977544204).

Almost surely, 2^23718868128 is an apocalyptic number.

It is an amenable number.

23718868128 is an abundant number, since it is smaller than the sum of its proper divisors (46664314560).

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

23718868128 is a wasteful number, since it uses less digits than its factorization.

23718868128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3580786 (or 3580775 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 54.

The spelling of 23718868128 in words is "twenty-three billion, seven hundred eighteen million, eight hundred sixty-eight thousand, one hundred twenty-eight".