113455543 has 4 divisors (see below), whose sum is σ = 116094088. Its totient is φ = 110817000.

The previous prime is 113455523. The next prime is 113455571. The reversal of 113455543 is 345554311.

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 113455543 - 2¹³ = 113447351 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 (113455523) 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, 1319208 + ... + 1319293.

It is an arithmetic number, because the mean of its divisors is an integer number (29023522).

Almost surely, 2^113455543 is an apocalyptic number.

113455543 is a deficient number, since it is larger than the sum of its proper divisors (2638545).

113455543 is an equidigital number, since it uses as much as digits as its factorization.

113455543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2638544.

The product of its digits is 18000, while the sum is 31.

The square root of 113455543 is about 10651.5512015856. The cubic root of 113455543 is about 484.1076061885.

The spelling of 113455543 in words is "one hundred thirteen million, four hundred fifty-five thousand, five hundred forty-three".