23891100388 has 12 divisors (see below), whose sum is σ = 42240451372. Its totient is φ = 11822400000.

The previous prime is 23891100379. The next prime is 23891100407. The reversal of 23891100388 is 88300119832.

It can be written as a sum of positive squares in 2 ways, for example, as 19544599204 + 4346501184 = 139802^2 + 65928^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30787113 + ... + 30787888.

Almost surely, 2^23891100388 is an apocalyptic number.

It is an amenable number.

23891100388 is a deficient number, since it is larger than the sum of its proper divisors (18349350984).

23891100388 is a wasteful number, since it uses less digits than its factorization.

23891100388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61575102 (or 61575100 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 43.

The spelling of 23891100388 in words is "twenty-three billion, eight hundred ninety-one million, one hundred thousand, three hundred eighty-eight".