113605403 has 4 divisors (see below), whose sum is σ = 113628360. Its totient is φ = 113582448.

The previous prime is 113605399. The next prime is 113605411. The reversal of 113605403 is 304506311.

It is a happy number.

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 113605403 - 2² = 113605399 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (113605423) 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, 650 + ... + 15087.

It is an arithmetic number, because the mean of its divisors is an integer number (28407090).

Almost surely, 2^113605403 is an apocalyptic number.

113605403 is a deficient number, since it is larger than the sum of its proper divisors (22957).

113605403 is an equidigital number, since it uses as much as digits as its factorization.

113605403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22956.

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

The square root of 113605403 is about 10658.5835362866. The cubic root of 113605403 is about 484.3206601157.

The spelling of 113605403 in words is "one hundred thirteen million, six hundred five thousand, four hundred three".