100347023920 has 80 divisors (see below), whose sum is σ = 274094769312. Its totient is φ = 33682913280.

The previous prime is 100347023893. The next prime is 100347023927. The reversal of 100347023920 is 29320743001.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (100347023927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4374357 + ... + 4397236.

Almost surely, 2^100347023920 is an apocalyptic number.

100347023920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100347023920 is an abundant number, since it is smaller than the sum of its proper divisors (173747745392).

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

100347023920 is a wasteful number, since it uses less digits than its factorization.

100347023920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8771630 (or 8771624 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

Adding to 100347023920 its reverse (29320743001), we get a palindrome (129667766921).

The spelling of 100347023920 in words is "one hundred billion, three hundred forty-seven million, twenty-three thousand, nine hundred twenty".