113221165023 has 48 divisors (see below), whose sum is σ = 167256460800. Its totient is φ = 73782152640.

The previous prime is 113221165021. The next prime is 113221165033. The reversal of 113221165023 is 320561122311.

113221165023 is a `hidden beast` number, since 1 + 1 + 3 + 2 + 2 + 1 + 1 + 650 + 2 + 3 = 666.

It is not a de Polignac number, because 113221165023 - 2¹ = 113221165021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113221165021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 117084486 + ... + 117085452.

It is an arithmetic number, because the mean of its divisors is an integer number (3484509600).

Almost surely, 2^113221165023 is an apocalyptic number.

113221165023 is a deficient number, since it is larger than the sum of its proper divisors (54035295777).

113221165023 is a wasteful number, since it uses less digits than its factorization.

113221165023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052 (or 2049 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 113221165023 its reverse (320561122311), we get a palindrome (433782287334).

The spelling of 113221165023 in words is "one hundred thirteen billion, two hundred twenty-one million, one hundred sixty-five thousand, twenty-three".