1323112232013 has 64 divisors (see below), whose sum is σ = 2085157831680. Its totient is φ = 735710169600.

The previous prime is 1323112231993. The next prime is 1323112232021. The reversal of 1323112232013 is 3102322113231.

It is not a de Polignac number, because 1323112232013 - 2⁶ = 1323112231949 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323112232023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 282050998 + ... + 282055688.

It is an arithmetic number, because the mean of its divisors is an integer number (32580591120).

Almost surely, 2^{1323112232013} is an apocalyptic number.

1323112232013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1323112232013 is a deficient number, since it is larger than the sum of its proper divisors (762045599667).

1323112232013 is a wasteful number, since it uses less digits than its factorization.

1323112232013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8570.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1323112232013 its reverse (3102322113231), we get a palindrome (4425434345244).

The spelling of 1323112232013 in words is "one trillion, three hundred twenty-three billion, one hundred twelve million, two hundred thirty-two thousand, thirteen".