23940138584 has 16 divisors (see below), whose sum is σ = 45734699520. Its totient is φ = 11744218720.

The previous prime is 23940138577. The next prime is 23940138613. The reversal of 23940138584 is 48583104932.

It is a super-2 number, since 2×23940138584² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28230872 + ... + 28231719.

It is an arithmetic number, because the mean of its divisors is an integer number (2858418720).

Almost surely, 2^23940138584 is an apocalyptic number.

It is an amenable number.

23940138584 is a deficient number, since it is larger than the sum of its proper divisors (21794560936).

23940138584 is a wasteful number, since it uses less digits than its factorization.

23940138584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56462650 (or 56462646 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 23940138584 in words is "twenty-three billion, nine hundred forty million, one hundred thirty-eight thousand, five hundred eighty-four".