113303543 has 16 divisors (see below), whose sum is σ = 122658816. Its totient is φ = 104353920.

The previous prime is 113303537. The next prime is 113303557. The reversal of 113303543 is 345303311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 113303543 - 2⁴ = 113303527 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113303563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261455 + ... + 261887.

It is an arithmetic number, because the mean of its divisors is an integer number (7666176).

Almost surely, 2^113303543 is an apocalyptic number.

113303543 is a deficient number, since it is larger than the sum of its proper divisors (9355273).

113303543 is a wasteful number, since it uses less digits than its factorization.

113303543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 113303543 is about 10644.4136992133. The cubic root of 113303543 is about 483.8913181172.

Adding to 113303543 its reverse (345303311), we get a palindrome (458606854).

The spelling of 113303543 in words is "one hundred thirteen million, three hundred three thousand, five hundred forty-three".