113220373 has 16 divisors (see below), whose sum is σ = 137297920. Its totient is φ = 91200816.

The previous prime is 113220361. The next prime is 113220377. The reversal of 113220373 is 373022311.

It is a happy number.

It is not a de Polignac number, because 113220373 - 2¹³ = 113212181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113220377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13540 + ... + 20242.

It is an arithmetic number, because the mean of its divisors is an integer number (8581120).

Almost surely, 2^113220373 is an apocalyptic number.

It is an amenable number.

113220373 is a deficient number, since it is larger than the sum of its proper divisors (24077547).

113220373 is a wasteful number, since it uses less digits than its factorization.

113220373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6856.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 113220373 is about 10640.5062379569. The cubic root of 113220373 is about 483.7728896575.

Adding to 113220373 its reverse (373022311), we get a palindrome (486242684).

It can be divided in two parts, 1132 and 20373, that multiplied together give a triangular number (23062236 = T₆₇₉₁).

The spelling of 113220373 in words is "one hundred thirteen million, two hundred twenty thousand, three hundred seventy-three".