113523403 has 16 divisors (see below), whose sum is σ = 133099200. Its totient is φ = 94813056.

The previous prime is 113523367. The next prime is 113523409. The reversal of 113523403 is 304325311.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113523403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113523409) 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, 57273 + ... + 59221.

It is an arithmetic number, because the mean of its divisors is an integer number (8318700).

Almost surely, 2^113523403 is an apocalyptic number.

113523403 is a deficient number, since it is larger than the sum of its proper divisors (19575797).

113523403 is a wasteful number, since it uses less digits than its factorization.

113523403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 113523403 is about 10654.7361769309. The cubic root of 113523403 is about 484.2041050572.

Adding to 113523403 its reverse (304325311), we get a palindrome (417848714).

The spelling of 113523403 in words is "one hundred thirteen million, five hundred twenty-three thousand, four hundred three".