118123936243 has 2 divisors, whose sum is σ = 118123936244. Its totient is φ = 118123936242.

The previous prime is 118123936211. The next prime is 118123936261. The reversal of 118123936243 is 342639321811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 118123936243 - 2⁵ = 118123936211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118123936243.

It is not a weakly prime, because it can be changed into another prime (118123936043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59061968121 + 59061968122.

It is an arithmetic number, because the mean of its divisors is an integer number (59061968122).

Almost surely, 2^118123936243 is an apocalyptic number.

118123936243 is a deficient number, since it is larger than the sum of its proper divisors (1).

118123936243 is an equidigital number, since it uses as much as digits as its factorization.

118123936243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 43.

The spelling of 118123936243 in words is "one hundred eighteen billion, one hundred twenty-three million, nine hundred thirty-six thousand, two hundred forty-three".