12513756323 has 2 divisors, whose sum is σ = 12513756324. Its totient is φ = 12513756322.

The previous prime is 12513756313. The next prime is 12513756337. The reversal of 12513756323 is 32365731521.

It is a weak prime.

It is an emirp because it is prime and its reverse (32365731521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12513756323 - 2¹⁰ = 12513755299 is a prime.

It is a super-2 number, since 2×12513756323² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12513756313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6256878161 + 6256878162.

It is an arithmetic number, because the mean of its divisors is an integer number (6256878162).

Almost surely, 2^12513756323 is an apocalyptic number.

12513756323 is a deficient number, since it is larger than the sum of its proper divisors (1).

12513756323 is an equidigital number, since it uses as much as digits as its factorization.

12513756323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 38.

The spelling of 12513756323 in words is "twelve billion, five hundred thirteen million, seven hundred fifty-six thousand, three hundred twenty-three".