23910938415 has 72 divisors (see below), whose sum is σ = 51920957088. Its totient is φ = 10089878400.

The previous prime is 23910938411. The next prime is 23910938449. The reversal of 23910938415 is 51483901932.

It is a happy number.

It is not a de Polignac number, because 23910938415 - 2² = 23910938411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23910938411) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 388411 + ... + 445740.

It is an arithmetic number, because the mean of its divisors is an integer number (721124404).

Almost surely, 2^23910938415 is an apocalyptic number.

23910938415 is an abundant number, since it is smaller than the sum of its proper divisors (28010018673).

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

23910938415 is a wasteful number, since it uses less digits than its factorization.

23910938415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834189 (or 834179 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 23910938415 in words is "twenty-three billion, nine hundred ten million, nine hundred thirty-eight thousand, four hundred fifteen".