13331232123 has 32 divisors (see below), whose sum is σ = 19910790144. Its totient is φ = 7863840000.

The previous prime is 13331232073. The next prime is 13331232137. The reversal of 13331232123 is 32123213331.

It is not a de Polignac number, because 13331232123 - 2¹⁶ = 13331166587 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13331232093 and 13331232102.

It is not an unprimeable number, because it can be changed into a prime (13331232223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 571713 + ... + 594573.

It is an arithmetic number, because the mean of its divisors is an integer number (622212192).

Almost surely, 2^13331232123 is an apocalyptic number.

13331232123 is a deficient number, since it is larger than the sum of its proper divisors (6579558021).

13331232123 is a wasteful number, since it uses less digits than its factorization.

13331232123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23347.

The product of its digits is 1944, while the sum is 24.

Adding to 13331232123 its reverse (32123213331), we get a palindrome (45454445454).

The spelling of 13331232123 in words is "thirteen billion, three hundred thirty-one million, two hundred thirty-two thousand, one hundred twenty-three".