202311323112 has 32 divisors (see below), whose sum is σ = 505803142080. Its totient is φ = 67433796480.

The previous prime is 202311323099. The next prime is 202311323141. The reversal of 202311323112 is 211323113202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319333 + ... + 711755.

It is an arithmetic number, because the mean of its divisors is an integer number (15806348190).

Almost surely, 2^202311323112 is an apocalyptic number.

It is an amenable number.

202311323112 is an abundant number, since it is smaller than the sum of its proper divisors (303491818968).

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

202311323112 is a wasteful number, since it uses less digits than its factorization.

202311323112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413913 (or 413909 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 202311323112 its reverse (211323113202), we get a palindrome (413634436314).

The spelling of 202311323112 in words is "two hundred two billion, three hundred eleven million, three hundred twenty-three thousand, one hundred twelve".