113432503 has 4 divisors (see below), whose sum is σ = 117091648. Its totient is φ = 109773360.

The previous prime is 113432497. The next prime is 113432513. The reversal of 113432503 is 305234311.

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 113432503 - 2⁹ = 113431991 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 (113432513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1829526 + ... + 1829587.

It is an arithmetic number, because the mean of its divisors is an integer number (29272912).

Almost surely, 2^113432503 is an apocalyptic number.

113432503 is a deficient number, since it is larger than the sum of its proper divisors (3659145).

113432503 is an equidigital number, since it uses as much as digits as its factorization.

113432503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3659144.

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

The square root of 113432503 is about 10650.4696140593. The cubic root of 113432503 is about 484.0748338971.

Adding to 113432503 its reverse (305234311), we get a palindrome (418666814).

The spelling of 113432503 in words is "one hundred thirteen million, four hundred thirty-two thousand, five hundred three".