113112403 has 4 divisors (see below), whose sum is σ = 115742968. Its totient is φ = 110481840.

The previous prime is 113112401. The next prime is 113112421. The reversal of 113112403 is 304211311.

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 113112403 - 2¹ = 113112401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113112401) 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, 1315218 + ... + 1315303.

It is an arithmetic number, because the mean of its divisors is an integer number (28935742).

Almost surely, 2^113112403 is an apocalyptic number.

113112403 is a deficient number, since it is larger than the sum of its proper divisors (2630565).

113112403 is an equidigital number, since it uses as much as digits as its factorization.

113112403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630564.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 113112403 is about 10635.4314910115. The cubic root of 113112403 is about 483.6190611256.

Adding to 113112403 its reverse (304211311), we get a palindrome (417323714).

The spelling of 113112403 in words is "one hundred thirteen million, one hundred twelve thousand, four hundred three".