123323129273 has 2 divisors, whose sum is σ = 123323129274. Its totient is φ = 123323129272.

The previous prime is 123323129269. The next prime is 123323129309. The reversal of 123323129273 is 372921323321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104760974224 + 18562155049 = 323668^2 + 136243^2 .

It is a cyclic number.

It is not a de Polignac number, because 123323129273 - 2² = 123323129269 is a prime.

It is not a weakly prime, because it can be changed into another prime (123323129203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61661564636 + 61661564637.

It is an arithmetic number, because the mean of its divisors is an integer number (61661564637).

Almost surely, 2^123323129273 is an apocalyptic number.

It is an amenable number.

123323129273 is a deficient number, since it is larger than the sum of its proper divisors (1).

123323129273 is an equidigital number, since it uses as much as digits as its factorization.

123323129273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 38.

The spelling of 123323129273 in words is "one hundred twenty-three billion, three hundred twenty-three million, one hundred twenty-nine thousand, two hundred seventy-three".