118505959723 has 2 divisors, whose sum is σ = 118505959724. Its totient is φ = 118505959722.

The previous prime is 118505959717. The next prime is 118505959771. The reversal of 118505959723 is 327959505811.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118505959723 - 2²¹ = 118503862571 is a prime.

It is not a weakly prime, because it can be changed into another prime (118505159723) 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, 59252979861 + 59252979862.

It is an arithmetic number, because the mean of its divisors is an integer number (59252979862).

Almost surely, 2^118505959723 is an apocalyptic number.

118505959723 is a deficient number, since it is larger than the sum of its proper divisors (1).

118505959723 is an equidigital number, since it uses as much as digits as its factorization.

118505959723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402000, while the sum is 55.

The spelling of 118505959723 in words is "one hundred eighteen billion, five hundred five million, nine hundred fifty-nine thousand, seven hundred twenty-three".