202323013112 has 128 divisors (see below), whose sum is σ = 438573864960. Its totient is φ = 86601525120.

The previous prime is 202323013111. The next prime is 202323013169. The reversal of 202323013112 is 211310323202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202323013111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51571583 + ... + 51575505.

It is an arithmetic number, because the mean of its divisors is an integer number (3426358320).

Almost surely, 2^202323013112 is an apocalyptic number.

202323013112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202323013112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219286932480).

202323013112 is an abundant number, since it is smaller than the sum of its proper divisors (236250851848).

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

202323013112 is a wasteful number, since it uses less digits than its factorization.

202323013112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4353 (or 4349 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 202323013112 its reverse (211310323202), we get a palindrome (413633336314).

The spelling of 202323013112 in words is "two hundred two billion, three hundred twenty-three million, thirteen thousand, one hundred twelve".