13231111120023 has 16 divisors (see below), whose sum is σ = 18679311853056. Its totient is φ = 8301830908800.

The previous prime is 13231111120009. The next prime is 13231111120069. The reversal of 13231111120023 is 32002111113231.

It is not a de Polignac number, because 13231111120023 - 2²⁰ = 13231110071447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231111120223) 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, 11483740 + ... + 12583262.

It is an arithmetic number, because the mean of its divisors is an integer number (1167456990816).

Almost surely, 2^{13231111120023} is an apocalyptic number.

13231111120023 is a deficient number, since it is larger than the sum of its proper divisors (5448200733033).

13231111120023 is a wasteful number, since it uses less digits than its factorization.

13231111120023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335494.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 13231111120023 its reverse (32002111113231), we get a palindrome (45233222233254).

The spelling of 13231111120023 in words is "thirteen trillion, two hundred thirty-one billion, one hundred eleven million, one hundred twenty thousand, twenty-three".