1323443331121 has 12 divisors (see below), whose sum is σ = 1407548237760. Its totient is φ = 1244108878400.

The previous prime is 1323443331101. The next prime is 1323443331127. The reversal of 1323443331121 is 1211333443231.

It is not a de Polignac number, because 1323443331121 - 2⁹ = 1323443330609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323443331127) 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 11 ways as a sum of consecutive naturals, for example, 2486605 + ... + 2971546.

It is an arithmetic number, because the mean of its divisors is an integer number (117295686480).

Almost surely, 2^{1323443331121} is an apocalyptic number.

It is an amenable number.

1323443331121 is a deficient number, since it is larger than the sum of its proper divisors (84104906639).

1323443331121 is an equidigital number, since it uses as much as digits as its factorization.

1323443331121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5459024 (or 5459007 counting only the distinct ones).

The product of its digits is 15552, while the sum is 31.

Adding to 1323443331121 its reverse (1211333443231), we get a palindrome (2534776774352).

The spelling of 1323443331121 in words is "one trillion, three hundred twenty-three billion, four hundred forty-three million, three hundred thirty-one thousand, one hundred twenty-one".