122313391807 has 2 divisors, whose sum is σ = 122313391808. Its totient is φ = 122313391806.

The previous prime is 122313391793. The next prime is 122313391931. The reversal of 122313391807 is 708193313221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122313391807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122313391807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122313394807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61156695903 + 61156695904.

It is an arithmetic number, because the mean of its divisors is an integer number (61156695904).

Almost surely, 2^122313391807 is an apocalyptic number.

122313391807 is a deficient number, since it is larger than the sum of its proper divisors (1).

122313391807 is an equidigital number, since it uses as much as digits as its factorization.

122313391807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 122313391807 in words is "one hundred twenty-two billion, three hundred thirteen million, three hundred ninety-one thousand, eight hundred seven".