12303734617 has 2 divisors, whose sum is σ = 12303734618. Its totient is φ = 12303734616.

The previous prime is 12303734549. The next prime is 12303734621. The reversal of 12303734617 is 71643730321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9235017801 + 3068716816 = 96099^2 + 55396^2 .

It is an emirp because it is prime and its reverse (71643730321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12303734617 is a prime.

It is not a weakly prime, because it can be changed into another prime (12303734647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6151867308 + 6151867309.

It is an arithmetic number, because the mean of its divisors is an integer number (6151867309).

Almost surely, 2^12303734617 is an apocalyptic number.

It is an amenable number.

12303734617 is a deficient number, since it is larger than the sum of its proper divisors (1).

12303734617 is an equidigital number, since it uses as much as digits as its factorization.

12303734617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 37.

The spelling of 12303734617 in words is "twelve billion, three hundred three million, seven hundred thirty-four thousand, six hundred seventeen".