113515223 has 4 divisors (see below), whose sum is σ = 116583240. Its totient is φ = 110447208.

The previous prime is 113515187. The next prime is 113515231. The reversal of 113515223 is 322515311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322515311 = 223 ⋅1446257.

It is a cyclic number.

It is not a de Polignac number, because 113515223 - 2⁶ = 113515159 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 (113515243) 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, 1533953 + ... + 1534026.

It is an arithmetic number, because the mean of its divisors is an integer number (29145810).

Almost surely, 2^113515223 is an apocalyptic number.

113515223 is a deficient number, since it is larger than the sum of its proper divisors (3068017).

113515223 is an equidigital number, since it uses as much as digits as its factorization.

113515223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3068016.

The product of its digits is 900, while the sum is 23.

The square root of 113515223 is about 10654.3523031670. The cubic root of 113515223 is about 484.1924749010.

The spelling of 113515223 in words is "one hundred thirteen million, five hundred fifteen thousand, two hundred twenty-three".