113123231202 has 32 divisors (see below), whose sum is σ = 227243880000. Its totient is φ = 37541701568.

The previous prime is 113123231191. The next prime is 113123231209. The reversal of 113123231202 is 202132321311.

It is a super-2 number, since 2×113123231202² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113123231209) 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 15 ways as a sum of consecutive naturals, for example, 2396008 + ... + 2442764.

It is an arithmetic number, because the mean of its divisors is an integer number (7101371250).

Almost surely, 2^113123231202 is an apocalyptic number.

113123231202 is an abundant number, since it is smaller than the sum of its proper divisors (114120648798).

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

113123231202 is a wasteful number, since it uses less digits than its factorization.

113123231202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48530.

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

Adding to 113123231202 its reverse (202132321311), we get a palindrome (315255552513).

The spelling of 113123231202 in words is "one hundred thirteen billion, one hundred twenty-three million, two hundred thirty-one thousand, two hundred two".