113223657 has 8 divisors (see below), whose sum is σ = 153033184. Its totient is φ = 74448288.

The previous prime is 113223653. The next prime is 113223659. The reversal of 113223657 is 756322311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113223657 - 2² = 113223653 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113223653) 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 7 ways as a sum of consecutive naturals, for example, 258283 + ... + 258720.

It is an arithmetic number, because the mean of its divisors is an integer number (19129148).

Almost surely, 2^113223657 is an apocalyptic number.

It is an amenable number.

113223657 is a deficient number, since it is larger than the sum of its proper divisors (39809527).

113223657 is an equidigital number, since it uses as much as digits as its factorization.

113223657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517079.

The product of its digits is 7560, while the sum is 30.

The square root of 113223657 is about 10640.6605528040. The cubic root of 113223657 is about 483.7775669512. Note that the first 3 decimals are identical.

Adding to 113223657 its reverse (756322311), we get a palindrome (869545968).

The spelling of 113223657 in words is "one hundred thirteen million, two hundred twenty-three thousand, six hundred fifty-seven".