113213111331123 has 10 divisors (see below), whose sum is σ = 169120820630564. Its totient is φ = 75475407554028.

The previous prime is 113213111331113. The next prime is 113213111331127. The reversal of 113213111331123 is 321133111312311.

113213111331123 is a `hidden beast` number, since 1 + 1 + 3 + 2 + 1 + 311 + 1 + 331 + 12 + 3 = 666.

It is not a de Polignac number, because 113213111331123 - 2¹⁴ = 113213111314739 is a prime.

It is a super-2 number, since 2×113213111331123² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113213111331127) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 698846366161 + ... + 698846366322.

Almost surely, 2^{113213111331123} is an apocalyptic number.

113213111331123 is a deficient number, since it is larger than the sum of its proper divisors (55907709299441).

113213111331123 is an equidigital number, since it uses as much as digits as its factorization.

113213111331123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397692732495 (or 1397692732486 counting only the distinct ones).

The product of its digits is 972, while the sum is 27.

Adding to 113213111331123 its reverse (321133111312311), we get a palindrome (434346222643434).

The spelling of 113213111331123 in words is "one hundred thirteen trillion, two hundred thirteen billion, one hundred eleven million, three hundred thirty-one thousand, one hundred twenty-three".