113572173 has 48 divisors (see below), whose sum is σ = 183935808. Its totient is φ = 61881600.

The previous prime is 113572157. The next prime is 113572181. The reversal of 113572173 is 371275311.

It is not a de Polignac number, because 113572173 - 2⁴ = 113572157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113572173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113572133) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 193186 + ... + 193772.

It is an arithmetic number, because the mean of its divisors is an integer number (3831996).

Almost surely, 2^113572173 is an apocalyptic number.

113572173 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

113572173 is a deficient number, since it is larger than the sum of its proper divisors (70363635).

113572173 is a wasteful number, since it uses less digits than its factorization.

113572173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666 (or 655 counting only the distinct ones).

The product of its digits is 4410, while the sum is 30.

The square root of 113572173 is about 10657.0245847516. The cubic root of 113572173 is about 484.2734336501.

It can be divided in two parts, 11357 and 2173, that added together give a triangular number (13530 = T₁₆₄).

The spelling of 113572173 in words is "one hundred thirteen million, five hundred seventy-two thousand, one hundred seventy-three".