23901420158 has 144 divisors (see below), whose sum is σ = 49154501760. Its totient is φ = 8508265920.

The previous prime is 23901420133. The next prime is 23901420167. The reversal of 23901420158 is 85102410932.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 27067985 + ... + 27068867.

Almost surely, 2^23901420158 is an apocalyptic number.

23901420158 is an abundant number, since it is smaller than the sum of its proper divisors (25253081602).

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

23901420158 is a wasteful number, since it uses less digits than its factorization.

23901420158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991 (or 951 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 23901420158 in words is "twenty-three billion, nine hundred one million, four hundred twenty thousand, one hundred fifty-eight".