23977489100 has 36 divisors (see below), whose sum is σ = 52122398328. Its totient is φ = 9574176000.

The previous prime is 23977489069. The next prime is 23977489117. The reversal of 23977489100 is 198477932.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152861 + ... + 267060.

It is an arithmetic number, because the mean of its divisors is an integer number (1447844398).

Almost surely, 2^23977489100 is an apocalyptic number.

23977489100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23977489100 is an abundant number, since it is smaller than the sum of its proper divisors (28144909228).

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

23977489100 is a wasteful number, since it uses less digits than its factorization.

23977489100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420506 (or 420499 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 50.

The spelling of 23977489100 in words is "twenty-three billion, nine hundred seventy-seven million, four hundred eighty-nine thousand, one hundred".