113221323 has 24 divisors (see below), whose sum is σ = 172702400. Its totient is φ = 71278704.

The previous prime is 113221319. The next prime is 113221349. The reversal of 113221323 is 323122311.

It is not a de Polignac number, because 113221323 - 2² = 113221319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113221296 and 113221305.

It is not an unprimeable number, because it can be changed into a prime (113221723) 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 23 ways as a sum of consecutive naturals, for example, 63936 + ... + 65682.

Almost surely, 2^113221323 is an apocalyptic number.

113221323 is a deficient number, since it is larger than the sum of its proper divisors (59481077).

113221323 is a wasteful number, since it uses less digits than its factorization.

113221323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151 (or 2148 counting only the distinct ones).

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

The square root of 113221323 is about 10640.5508785965. The cubic root of 113221323 is about 483.7742427207.

Adding to 113221323 its reverse (323122311), we get a palindrome (436343634).

The spelling of 113221323 in words is "one hundred thirteen million, two hundred twenty-one thousand, three hundred twenty-three".