113240503 has 2 divisors, whose sum is σ = 113240504. Its totient is φ = 113240502.

The previous prime is 113240467. The next prime is 113240507. The reversal of 113240503 is 305042311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113240503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113240507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56620251 + 56620252.

It is an arithmetic number, because the mean of its divisors is an integer number (56620252).

Almost surely, 2^113240503 is an apocalyptic number.

113240503 is a deficient number, since it is larger than the sum of its proper divisors (1).

113240503 is an equidigital number, since it uses as much as digits as its factorization.

113240503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 113240503 is about 10641.4521095572. The cubic root of 113240503 is about 483.8015587357.

Adding to 113240503 its reverse (305042311), we get a palindrome (418282814).

The spelling of 113240503 in words is "one hundred thirteen million, two hundred forty thousand, five hundred three".