12253430317 has 2 divisors, whose sum is σ = 12253430318. Its totient is φ = 12253430316.

The previous prime is 12253430227. The next prime is 12253430351. The reversal of 12253430317 is 71303435221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8231207076 + 4022223241 = 90726^2 + 63421^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12253430317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12253410317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6126715158 + 6126715159.

It is an arithmetic number, because the mean of its divisors is an integer number (6126715159).

Almost surely, 2^12253430317 is an apocalyptic number.

It is an amenable number.

12253430317 is a deficient number, since it is larger than the sum of its proper divisors (1).

12253430317 is an equidigital number, since it uses as much as digits as its factorization.

12253430317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 31.

Adding to 12253430317 its reverse (71303435221), we get a palindrome (83556865538).

The spelling of 12253430317 in words is "twelve billion, two hundred fifty-three million, four hundred thirty thousand, three hundred seventeen".