113453231 has 4 divisors (see below), whose sum is σ = 115593912. Its totient is φ = 111312552.

The previous prime is 113453213. The next prime is 113453233. The reversal of 113453231 is 132354311.

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 113453231 - 2²² = 109258927 is a prime.

It is a super-2 number, since 2×113453231² = 25743271248678722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113453197 and 113453206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113453233) 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, 1070261 + ... + 1070366.

It is an arithmetic number, because the mean of its divisors is an integer number (28898478).

Almost surely, 2^113453231 is an apocalyptic number.

113453231 is a deficient number, since it is larger than the sum of its proper divisors (2140681).

113453231 is an equidigital number, since it uses as much as digits as its factorization.

113453231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140680.

The product of its digits is 1080, while the sum is 23.

The square root of 113453231 is about 10651.4426722393. The cubic root of 113453231 is about 484.1043177804.

Adding to 113453231 its product of digits (1080), we get a palindrome (113454311).

The spelling of 113453231 in words is "one hundred thirteen million, four hundred fifty-three thousand, two hundred thirty-one".