323113221112 has 64 divisors (see below), whose sum is σ = 663218150400. Its totient is φ = 146358051840.

The previous prime is 323113221097. The next prime is 323113221199. The reversal of 323113221112 is 211122311323.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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, 72656473 + ... + 72660919.

It is an arithmetic number, because the mean of its divisors is an integer number (10362783600).

Almost surely, 2^323113221112 is an apocalyptic number.

It is an amenable number.

323113221112 is an abundant number, since it is smaller than the sum of its proper divisors (340104929288).

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

323113221112 is a wasteful number, since it uses less digits than its factorization.

323113221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7156 (or 7152 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

Adding to 323113221112 its reverse (211122311323), we get a palindrome (534235532435).

The spelling of 323113221112 in words is "three hundred twenty-three billion, one hundred thirteen million, two hundred twenty-one thousand, one hundred twelve".