113123442100 has 18 divisors (see below), whose sum is σ = 245477869574. Its totient is φ = 45249376800.

The previous prime is 113123442067. The next prime is 113123442119. The reversal of 113123442100 is 1244321311.

It can be written as a sum of positive squares in 3 ways, for example, as 1548737316 + 111574704784 = 39354^2 + 334028^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 565617111 + ... + 565617310.

Almost surely, 2^113123442100 is an apocalyptic number.

113123442100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113123442100 is an abundant number, since it is smaller than the sum of its proper divisors (132354427474).

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

113123442100 is a wasteful number, since it uses less digits than its factorization.

113123442100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131234435 (or 1131234428 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 113123442100 its reverse (1244321311), we get a palindrome (114367763411).

The spelling of 113123442100 in words is "one hundred thirteen billion, one hundred twenty-three million, four hundred forty-two thousand, one hundred".