23931240534 has 40 divisors (see below), whose sum is σ = 53634243168. Its totient is φ = 7975512720.

The previous prime is 23931240533. The next prime is 23931240581. The reversal of 23931240534 is 43504213932.

23931240534 is a `hidden beast` number, since 23 + 93 + 12 + 4 + 0 + 534 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23931240533) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1054899 + ... + 1077345.

Almost surely, 2^23931240534 is an apocalyptic number.

23931240534 is an abundant number, since it is smaller than the sum of its proper divisors (29703002634).

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

23931240534 is a wasteful number, since it uses less digits than its factorization.

23931240534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29042 (or 29033 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 23931240534 in words is "twenty-three billion, nine hundred thirty-one million, two hundred forty thousand, five hundred thirty-four".