113231011023 has 32 divisors (see below), whose sum is σ = 182940262400. Its totient is φ = 68798572128.

The previous prime is 113231011021. The next prime is 113231011027. The reversal of 113231011023 is 320110132311.

It is not a de Polignac number, because 113231011023 - 2¹ = 113231011021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113231010987 and 113231011005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113231011021) 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 31 ways as a sum of consecutive naturals, for example, 2014015 + ... + 2069472.

It is an arithmetic number, because the mean of its divisors is an integer number (5716883200).

Almost surely, 2^113231011023 is an apocalyptic number.

113231011023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

113231011023 is a deficient number, since it is larger than the sum of its proper divisors (69709251377).

113231011023 is a wasteful number, since it uses less digits than its factorization.

113231011023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4083588 (or 4083582 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 113231011023 its reverse (320110132311), we get a palindrome (433341143334).

The spelling of 113231011023 in words is "one hundred thirteen billion, two hundred thirty-one million, eleven thousand, twenty-three".