13231123554 has 32 divisors (see below), whose sum is σ = 28991836224. Its totient is φ = 3992218880.

The previous prime is 13231123483. The next prime is 13231123597. The reversal of 13231123554 is 45532113231.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 414819 + ... + 445574.

It is an arithmetic number, because the mean of its divisors is an integer number (905994882).

Almost surely, 2^13231123554 is an apocalyptic number.

13231123554 is an abundant number, since it is smaller than the sum of its proper divisors (15760712670).

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

13231123554 is a wasteful number, since it uses less digits than its factorization.

13231123554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860642.

The product of its digits is 10800, while the sum is 30.

Adding to 13231123554 its reverse (45532113231), we get a palindrome (58763236785).

The spelling of 13231123554 in words is "thirteen billion, two hundred thirty-one million, one hundred twenty-three thousand, five hundred fifty-four".