113524443 has 8 divisors (see below), whose sum is σ = 168184400. Its totient is φ = 75682944.

The previous prime is 113524427. The next prime is 113524451. The reversal of 113524443 is 344425311.

It is a happy number.

It is not a de Polignac number, because 113524443 - 2⁴ = 113524427 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4204609 = 113524443 / (1 + 1 + 3 + 5 + 2 + 4 + 4 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113524483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2102278 + ... + 2102331.

It is an arithmetic number, because the mean of its divisors is an integer number (21023050).

Almost surely, 2^113524443 is an apocalyptic number.

113524443 is a deficient number, since it is larger than the sum of its proper divisors (54659957).

113524443 is an equidigital number, since it uses as much as digits as its factorization.

113524443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4204618 (or 4204612 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 113524443 is about 10654.7849814062. The cubic root of 113524443 is about 484.2055836678.

Adding to 113524443 its reverse (344425311), we get a palindrome (457949754).

The spelling of 113524443 in words is "one hundred thirteen million, five hundred twenty-four thousand, four hundred forty-three".