123119319277 has 2 divisors, whose sum is σ = 123119319278. Its totient is φ = 123119319276.

The previous prime is 123119319229. The next prime is 123119319299. The reversal of 123119319277 is 772913911321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117916005321 + 5203313956 = 343389^2 + 72134^2 .

It is a cyclic number.

It is not a de Polignac number, because 123119319277 - 2¹⁵ = 123119286509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123119319227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61559659638 + 61559659639.

It is an arithmetic number, because the mean of its divisors is an integer number (61559659639).

Almost surely, 2^123119319277 is an apocalyptic number.

It is an amenable number.

123119319277 is a deficient number, since it is larger than the sum of its proper divisors (1).

123119319277 is an equidigital number, since it uses as much as digits as its factorization.

123119319277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 142884, while the sum is 46.

The spelling of 123119319277 in words is "one hundred twenty-three billion, one hundred nineteen million, three hundred nineteen thousand, two hundred seventy-seven".