23447642120 has 32 divisors (see below), whose sum is σ = 60293937600. Its totient is φ = 8039191488.

The previous prime is 23447642087. The next prime is 23447642131. The reversal of 23447642120 is 2124674432.

It is a Harshad number since it is a multiple of its sum of digits (35).

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, 41870510 + ... + 41871069.

It is an arithmetic number, because the mean of its divisors is an integer number (1884185550).

Almost surely, 2^23447642120 is an apocalyptic number.

23447642120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23447642120 is an abundant number, since it is smaller than the sum of its proper divisors (36846295480).

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

23447642120 is a wasteful number, since it uses less digits than its factorization.

23447642120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83741597 (or 83741593 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 35.

The spelling of 23447642120 in words is "twenty-three billion, four hundred forty-seven million, six hundred forty-two thousand, one hundred twenty".