113663523 has 4 divisors (see below), whose sum is σ = 151551368. Its totient is φ = 75775680.

The previous prime is 113663503. The next prime is 113663551. The reversal of 113663523 is 325366311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 113663523 - 2¹⁴ = 113647139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113663503) 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, 18943918 + ... + 18943923.

It is an arithmetic number, because the mean of its divisors is an integer number (37887842).

Almost surely, 2^113663523 is an apocalyptic number.

113663523 is a deficient number, since it is larger than the sum of its proper divisors (37887845).

113663523 is an equidigital number, since it uses as much as digits as its factorization.

113663523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37887844.

The product of its digits is 9720, while the sum is 30.

The square root of 113663523 is about 10661.3096287464. The cubic root of 113663523 is about 484.4032381068.

The spelling of 113663523 in words is "one hundred thirteen million, six hundred sixty-three thousand, five hundred twenty-three".