13123231324 has 24 divisors (see below), whose sum is σ = 26616135168. Its totient is φ = 5545026480.

The previous prime is 13123231309. The next prime is 13123231327. The reversal of 13123231324 is 42313232131.

13123231324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123231327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3298624 + ... + 3302599.

It is an arithmetic number, because the mean of its divisors is an integer number (1109005632).

Almost surely, 2^13123231324 is an apocalyptic number.

13123231324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13123231324 is an abundant number, since it is smaller than the sum of its proper divisors (13492903844).

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

13123231324 is a wasteful number, since it uses less digits than its factorization.

13123231324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6601305 (or 6601303 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

Adding to 13123231324 its reverse (42313232131), we get a palindrome (55436463455).

The spelling of 13123231324 in words is "thirteen billion, one hundred twenty-three million, two hundred thirty-one thousand, three hundred twenty-four".