113453443 has 4 divisors (see below), whose sum is σ = 115594128. Its totient is φ = 111312760.

The previous prime is 113453429. The next prime is 113453453. The reversal of 113453443 is 344354311.

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

It is a cyclic number.

It is not a de Polignac number, because 113453443 - 2⁹ = 113452931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113453453) 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, 1070263 + ... + 1070368.

It is an arithmetic number, because the mean of its divisors is an integer number (28898532).

Almost surely, 2^113453443 is an apocalyptic number.

113453443 is a deficient number, since it is larger than the sum of its proper divisors (2140685).

113453443 is an equidigital number, since it uses as much as digits as its factorization.

113453443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140684.

The product of its digits is 8640, while the sum is 28.

The square root of 113453443 is about 10651.4526239382. The cubic root of 113453443 is about 484.1046193145.

The spelling of 113453443 in words is "one hundred thirteen million, four hundred fifty-three thousand, four hundred forty-three".