12312302357 has 2 divisors, whose sum is σ = 12312302358. Its totient is φ = 12312302356.

The previous prime is 12312302297. The next prime is 12312302363. The reversal of 12312302357 is 75320321321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11501704516 + 810597841 = 107246^2 + 28471^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12312302357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12312302257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156151178 + 6156151179.

It is an arithmetic number, because the mean of its divisors is an integer number (6156151179).

Almost surely, 2^12312302357 is an apocalyptic number.

It is an amenable number.

12312302357 is a deficient number, since it is larger than the sum of its proper divisors (1).

12312302357 is an equidigital number, since it uses as much as digits as its factorization.

12312302357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 29.

Adding to 12312302357 its reverse (75320321321), we get a palindrome (87632623678).

The spelling of 12312302357 in words is "twelve billion, three hundred twelve million, three hundred two thousand, three hundred fifty-seven".