113442142243 has 2 divisors, whose sum is σ = 113442142244. Its totient is φ = 113442142242.

The previous prime is 113442142223. The next prime is 113442142249. The reversal of 113442142243 is 342241244311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113442142243 is a prime.

It is not a weakly prime, because it can be changed into another prime (113442142249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56721071121 + 56721071122.

It is an arithmetic number, because the mean of its divisors is an integer number (56721071122).

Almost surely, 2^113442142243 is an apocalyptic number.

113442142243 is a deficient number, since it is larger than the sum of its proper divisors (1).

113442142243 is an equidigital number, since it uses as much as digits as its factorization.

113442142243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 31.

Adding to 113442142243 its reverse (342241244311), we get a palindrome (455683386554).

The spelling of 113442142243 in words is "one hundred thirteen billion, four hundred forty-two million, one hundred forty-two thousand, two hundred forty-three".