113033231123 has 4 divisors (see below), whose sum is σ = 113348087280. Its totient is φ = 112718374968.

The previous prime is 113033231111. The next prime is 113033231137. The reversal of 113033231123 is 321132330311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113033231123 - 2²⁸ = 112764795667 is a prime.

It is a super-2 number, since 2×113033231123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113033231173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157427540 + ... + 157428257.

It is an arithmetic number, because the mean of its divisors is an integer number (28337021820).

Almost surely, 2^113033231123 is an apocalyptic number.

113033231123 is a deficient number, since it is larger than the sum of its proper divisors (314856157).

113033231123 is an equidigital number, since it uses as much as digits as its factorization.

113033231123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314856156.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 113033231123 its reverse (321132330311), we get a palindrome (434165561434).

The spelling of 113033231123 in words is "one hundred thirteen billion, thirty-three million, two hundred thirty-one thousand, one hundred twenty-three".