113231223 has 32 divisors (see below), whose sum is σ = 192222720. Its totient is φ = 64532160.

The previous prime is 113231221. The next prime is 113231227. The reversal of 113231223 is 322132311.

It is not a de Polignac number, because 113231223 - 2¹ = 113231221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113231196 and 113231205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113231221) 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, 116128 + ... + 117098.

It is an arithmetic number, because the mean of its divisors is an integer number (6006960).

Almost surely, 2^113231223 is an apocalyptic number.

113231223 is a deficient number, since it is larger than the sum of its proper divisors (78991497).

113231223 is an equidigital number, since it uses as much as digits as its factorization.

113231223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604 (or 1598 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 113231223 is about 10641.0160699061. The cubic root of 113231223 is about 483.7883426131.

Adding to 113231223 its reverse (322132311), we get a palindrome (435363534).

The spelling of 113231223 in words is "one hundred thirteen million, two hundred thirty-one thousand, two hundred twenty-three".