23877128020 has 24 divisors (see below), whose sum is σ = 50350036968. Its totient is φ = 9511219200.

The previous prime is 23877127999. The next prime is 23877128053. The reversal of 23877128020 is 2082177832.

It can be written as a sum of positive squares in 4 ways, for example, as 12797039376 + 11080088644 = 113124^2 + 105262^2 .

It is a congruent number.

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, 2472061 + ... + 2481700.

It is an arithmetic number, because the mean of its divisors is an integer number (2097918207).

Almost surely, 2^23877128020 is an apocalyptic number.

23877128020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23877128020 is an abundant number, since it is smaller than the sum of its proper divisors (26472908948).

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

23877128020 is a wasteful number, since it uses less digits than its factorization.

23877128020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4954011 (or 4954009 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The spelling of 23877128020 in words is "twenty-three billion, eight hundred seventy-seven million, one hundred twenty-eight thousand, twenty".