113240403 has 16 divisors (see below), whose sum is σ = 167928960. Its totient is φ = 75419208.

The previous prime is 113240377. The next prime is 113240423. The reversal of 113240403 is 304042311.

It is not a de Polignac number, because 113240403 - 2¹² = 113236307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113240423) 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, 47076 + ... + 49422.

It is an arithmetic number, because the mean of its divisors is an integer number (10495560).

Almost surely, 2^113240403 is an apocalyptic number.

113240403 is a deficient number, since it is larger than the sum of its proper divisors (54688557).

113240403 is a wasteful number, since it uses less digits than its factorization.

113240403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4143 (or 4137 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 113240403 is about 10641.4474109493. The cubic root of 113240403 is about 483.8014163245.

Adding to 113240403 its reverse (304042311), we get a palindrome (417282714).

The spelling of 113240403 in words is "one hundred thirteen million, two hundred forty thousand, four hundred three".