113431323 has 4 divisors (see below), whose sum is σ = 151241768. Its totient is φ = 75620880.

The previous prime is 113431309. The next prime is 113431337. The reversal of 113431323 is 323134311.

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

It is an interprime number because it is at equal distance from previous prime (113431309) and next prime (113431337).

It is not a de Polignac number, because 113431323 - 2¹⁰ = 113430299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113431323.

It is not an unprimeable number, because it can be changed into a prime (113431303) 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, 18905218 + ... + 18905223.

It is an arithmetic number, because the mean of its divisors is an integer number (37810442).

Almost surely, 2^113431323 is an apocalyptic number.

113431323 is a deficient number, since it is larger than the sum of its proper divisors (37810445).

113431323 is an equidigital number, since it uses as much as digits as its factorization.

113431323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37810444.

The product of its digits is 648, while the sum is 21.

The square root of 113431323 is about 10650.4142172969. The cubic root of 113431323 is about 484.0731553357.

Adding to 113431323 its reverse (323134311), we get a palindrome (436565634).

The spelling of 113431323 in words is "one hundred thirteen million, four hundred thirty-one thousand, three hundred twenty-three".