13239759923 has 16 divisors (see below), whose sum is σ = 14616473760. Its totient is φ = 11917062144.

The previous prime is 13239759853. The next prime is 13239759937. The reversal of 13239759923 is 32995793231.

It is not a de Polignac number, because 13239759923 - 2⁸ = 13239759667 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13239719923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53363 + ... + 171251.

It is an arithmetic number, because the mean of its divisors is an integer number (913529610).

Almost surely, 2^13239759923 is an apocalyptic number.

13239759923 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13239759923 is a deficient number, since it is larger than the sum of its proper divisors (1376713837).

13239759923 is a wasteful number, since it uses less digits than its factorization.

13239759923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118118.

The product of its digits is 2755620, while the sum is 53.

The spelling of 13239759923 in words is "thirteen billion, two hundred thirty-nine million, seven hundred fifty-nine thousand, nine hundred twenty-three".