23993928239 has 16 divisors (see below), whose sum is σ = 24817800000. Its totient is φ = 23179613184.

The previous prime is 23993928223. The next prime is 23993928241. The reversal of 23993928239 is 93282939932.

It is not a de Polignac number, because 23993928239 - 2⁴ = 23993928223 is a prime.

It is a super-2 number, since 2×23993928239² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23993928139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7716017 + ... + 7719125.

It is an arithmetic number, because the mean of its divisors is an integer number (1551112500).

Almost surely, 2^23993928239 is an apocalyptic number.

23993928239 is a deficient number, since it is larger than the sum of its proper divisors (823871761).

23993928239 is a wasteful number, since it uses less digits than its factorization.

23993928239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4562.

The product of its digits is 11337408, while the sum is 59.

The spelling of 23993928239 in words is "twenty-three billion, nine hundred ninety-three million, nine hundred twenty-eight thousand, two hundred thirty-nine".