113440453 has 8 divisors (see below), whose sum is σ = 129795840. Its totient is φ = 97122480.

The previous prime is 113440429. The next prime is 113440471. The reversal of 113440453 is 354044311.

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

It is not a de Polignac number, because 113440453 - 2¹⁷ = 113309381 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 (113440423) 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, 2518 + ... + 15271.

It is an arithmetic number, because the mean of its divisors is an integer number (16224480).

Almost surely, 2^113440453 is an apocalyptic number.

It is an amenable number.

113440453 is a deficient number, since it is larger than the sum of its proper divisors (16355387).

113440453 is an equidigital number, since it uses as much as digits as its factorization.

113440453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18707.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 113440453 is about 10650.8428304994. The cubic root of 113440453 is about 484.0861425460.

Adding to 113440453 its reverse (354044311), we get a palindrome (467484764).

The spelling of 113440453 in words is "one hundred thirteen million, four hundred forty thousand, four hundred fifty-three".