13231223132 has 12 divisors (see below), whose sum is σ = 23202189360. Its totient is φ = 6602026176.

The previous prime is 13231223099. The next prime is 13231223149. The reversal of 13231223132 is 23132213231.

It is a junction number, because it is equal to n+sod(n) for n = 13231223098 and 13231223107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3394157 + ... + 3398052.

It is an arithmetic number, because the mean of its divisors is an integer number (1933515780).

Almost surely, 2^13231223132 is an apocalyptic number.

It is an amenable number.

13231223132 is a deficient number, since it is larger than the sum of its proper divisors (9970966228).

13231223132 is a wasteful number, since it uses less digits than its factorization.

13231223132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6792700 (or 6792698 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

Adding to 13231223132 its reverse (23132213231), we get a palindrome (36363436363).

Subtracting 13231223132 from its reverse (23132213231), we obtain a palindrome (9900990099).

The spelling of 13231223132 in words is "thirteen billion, two hundred thirty-one million, two hundred twenty-three thousand, one hundred thirty-two".