113113243 has 2 divisors, whose sum is σ = 113113244. Its totient is φ = 113113242.

The previous prime is 113113199. The next prime is 113113279. The reversal of 113113243 is 342311311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113113243 - 2¹³ = 113105051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113113243.

It is not a weakly prime, because it can be changed into another prime (113113643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56556621 + 56556622.

It is an arithmetic number, because the mean of its divisors is an integer number (56556622).

Almost surely, 2^113113243 is an apocalyptic number.

113113243 is a deficient number, since it is larger than the sum of its proper divisors (1).

113113243 is an equidigital number, since it uses as much as digits as its factorization.

113113243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 19.

The square root of 113113243 is about 10635.4709815786. The cubic root of 113113243 is about 483.6202582799.

Adding to 113113243 its reverse (342311311), we get a palindrome (455424554).

The spelling of 113113243 in words is "one hundred thirteen million, one hundred thirteen thousand, two hundred forty-three".