100923885 has 24 divisors (see below), whose sum is σ = 182542464. Its totient is φ = 51485280.

The previous prime is 100923871. The next prime is 100923913. The reversal of 100923885 is 588329001.

It is not a de Polignac number, because 100923885 - 2⁵ = 100923853 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47721 + ... + 49790.

It is an arithmetic number, because the mean of its divisors is an integer number (7605936).

Almost surely, 2^100923885 is an apocalyptic number.

100923885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100923885 is a deficient number, since it is larger than the sum of its proper divisors (81618579).

100923885 is a wasteful number, since it uses less digits than its factorization.

100923885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97545 (or 97542 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 100923885 is about 10046.0880446072. The cubic root of 100923885 is about 465.5839351500.

The spelling of 100923885 in words is "one hundred million, nine hundred twenty-three thousand, eight hundred eighty-five".