113223817 has 4 divisors (see below), whose sum is σ = 129398656. Its totient is φ = 97048980.

The previous prime is 113223809. The next prime is 113223821. The reversal of 113223817 is 718322311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 113223817 - 2³ = 113223809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113223857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8087409 + ... + 8087422.

It is an arithmetic number, because the mean of its divisors is an integer number (32349664).

Almost surely, 2^113223817 is an apocalyptic number.

It is an amenable number.

113223817 is a deficient number, since it is larger than the sum of its proper divisors (16174839).

113223817 is an equidigital number, since it uses as much as digits as its factorization.

113223817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16174838.

The product of its digits is 2016, while the sum is 28.

The square root of 113223817 is about 10640.6680711316. The cubic root of 113223817 is about 483.7777948317. Note that the first 4 decimals are identical.

The spelling of 113223817 in words is "one hundred thirteen million, two hundred twenty-three thousand, eight hundred seventeen".