111723823873 has 2 divisors, whose sum is σ = 111723823874. Its totient is φ = 111723823872.

The previous prime is 111723823843. The next prime is 111723823891. The reversal of 111723823873 is 378328327111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103033296144 + 8690527729 = 320988^2 + 93223^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111723823873 is a prime.

It is not a weakly prime, because it can be changed into another prime (111723823843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55861911936 + 55861911937.

It is an arithmetic number, because the mean of its divisors is an integer number (55861911937).

Almost surely, 2^111723823873 is an apocalyptic number.

It is an amenable number.

111723823873 is a deficient number, since it is larger than the sum of its proper divisors (1).

111723823873 is an equidigital number, since it uses as much as digits as its factorization.

111723823873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 46.

The spelling of 111723823873 in words is "one hundred eleven billion, seven hundred twenty-three million, eight hundred twenty-three thousand, eight hundred seventy-three".