12346723517 has 2 divisors, whose sum is σ = 12346723518. Its totient is φ = 12346723516.

The previous prime is 12346723471. The next prime is 12346723579. The reversal of 12346723517 is 71532764321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11773552036 + 573171481 = 108506^2 + 23941^2 .

It is an emirp because it is prime and its reverse (71532764321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12346723517 - 2¹⁴ = 12346707133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12346722517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6173361758 + 6173361759.

It is an arithmetic number, because the mean of its divisors is an integer number (6173361759).

Almost surely, 2^12346723517 is an apocalyptic number.

It is an amenable number.

12346723517 is a deficient number, since it is larger than the sum of its proper divisors (1).

12346723517 is an equidigital number, since it uses as much as digits as its factorization.

12346723517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 41.

The spelling of 12346723517 in words is "twelve billion, three hundred forty-six million, seven hundred twenty-three thousand, five hundred seventeen".