12513263723 has 2 divisors, whose sum is σ = 12513263724. Its totient is φ = 12513263722.

The previous prime is 12513263681. The next prime is 12513263761. The reversal of 12513263723 is 32736231521.

12513263723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12513263723 is a prime.

It is not a weakly prime, because it can be changed into another prime (12513263023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6256631861 + 6256631862.

It is an arithmetic number, because the mean of its divisors is an integer number (6256631862).

Almost surely, 2^12513263723 is an apocalyptic number.

12513263723 is a deficient number, since it is larger than the sum of its proper divisors (1).

12513263723 is an equidigital number, since it uses as much as digits as its factorization.

12513263723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 35.

The spelling of 12513263723 in words is "twelve billion, five hundred thirteen million, two hundred sixty-three thousand, seven hundred twenty-three".