113543042243 has 2 divisors, whose sum is σ = 113543042244. Its totient is φ = 113543042242.

The previous prime is 113543042183. The next prime is 113543042257. The reversal of 113543042243 is 342240345311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113543042243 is a prime.

It is not a weakly prime, because it can be changed into another prime (113543042443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56771521121 + 56771521122.

It is an arithmetic number, because the mean of its divisors is an integer number (56771521122).

Almost surely, 2^113543042243 is an apocalyptic number.

113543042243 is a deficient number, since it is larger than the sum of its proper divisors (1).

113543042243 is an equidigital number, since it uses as much as digits as its factorization.

113543042243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 113543042243 its reverse (342240345311), we get a palindrome (455783387554).

The spelling of 113543042243 in words is "one hundred thirteen billion, five hundred forty-three million, forty-two thousand, two hundred forty-three".