13323123344 has 20 divisors (see below), whose sum is σ = 25834457724. Its totient is φ = 6656166528.

The previous prime is 13323123343. The next prime is 13323123383. The reversal of 13323123344 is 44332132331.

It can be written as a sum of positive squares in 2 ways, for example, as 8890226944 + 4432896400 = 94288^2 + 66580^2 .

It is not an unprimeable number, because it can be changed into a prime (13323123343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316787 + ... + 356370.

Almost surely, 2^13323123344 is an apocalyptic number.

It is an amenable number.

13323123344 is a deficient number, since it is larger than the sum of its proper divisors (12511334380).

13323123344 is a wasteful number, since it uses less digits than its factorization.

13323123344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674402 (or 674396 counting only the distinct ones).

The product of its digits is 15552, while the sum is 29.

Adding to 13323123344 its reverse (44332132331), we get a palindrome (57655255675).

The spelling of 13323123344 in words is "thirteen billion, three hundred twenty-three million, one hundred twenty-three thousand, three hundred forty-four".