123323302957 has 2 divisors, whose sum is σ = 123323302958. Its totient is φ = 123323302956.

The previous prime is 123323302943. The next prime is 123323303017. The reversal of 123323302957 is 759203323321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121364443876 + 1958859081 = 348374^2 + 44259^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123323302957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123323302937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61661651478 + 61661651479.

It is an arithmetic number, because the mean of its divisors is an integer number (61661651479).

Almost surely, 2^123323302957 is an apocalyptic number.

It is an amenable number.

123323302957 is a deficient number, since it is larger than the sum of its proper divisors (1).

123323302957 is an equidigital number, since it uses as much as digits as its factorization.

123323302957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 40.

The spelling of 123323302957 in words is "one hundred twenty-three billion, three hundred twenty-three million, three hundred two thousand, nine hundred fifty-seven".