13123320322 has 32 divisors (see below), whose sum is σ = 22941296640. Its totient is φ = 5513760720.

The previous prime is 13123320317. The next prime is 13123320359. The reversal of 13123320322 is 22302332131.

It is a junction number, because it is equal to n+sod(n) for n = 13123320293 and 13123320302.

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, 281497 + ... + 324787.

It is an arithmetic number, because the mean of its divisors is an integer number (716915520).

Almost surely, 2^13123320322 is an apocalyptic number.

13123320322 is a deficient number, since it is larger than the sum of its proper divisors (9817976318).

13123320322 is a wasteful number, since it uses less digits than its factorization.

13123320322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43726.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 13123320322 its reverse (22302332131), we get a palindrome (35425652453).

The spelling of 13123320322 in words is "thirteen billion, one hundred twenty-three million, three hundred twenty thousand, three hundred twenty-two".