123194934413 has 2 divisors, whose sum is σ = 123194934414. Its totient is φ = 123194934412.

The previous prime is 123194934383. The next prime is 123194934439. The reversal of 123194934413 is 314439491321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106963664809 + 16231269604 = 327053^2 + 127402^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123194934413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123194934463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61597467206 + 61597467207.

It is an arithmetic number, because the mean of its divisors is an integer number (61597467207).

Almost surely, 2^123194934413 is an apocalyptic number.

It is an amenable number.

123194934413 is a deficient number, since it is larger than the sum of its proper divisors (1).

123194934413 is an equidigital number, since it uses as much as digits as its factorization.

123194934413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 44.

The spelling of 123194934413 in words is "one hundred twenty-three billion, one hundred ninety-four million, nine hundred thirty-four thousand, four hundred thirteen".