12523782671 has 2 divisors, whose sum is σ = 12523782672. Its totient is φ = 12523782670.

The previous prime is 12523782653. The next prime is 12523782731. The reversal of 12523782671 is 17628732521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12523782671 - 2²⁶ = 12456673807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12523782631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6261891335 + 6261891336.

It is an arithmetic number, because the mean of its divisors is an integer number (6261891336).

Almost surely, 2^12523782671 is an apocalyptic number.

12523782671 is a deficient number, since it is larger than the sum of its proper divisors (1).

12523782671 is an equidigital number, since it uses as much as digits as its factorization.

12523782671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 44.

The spelling of 12523782671 in words is "twelve billion, five hundred twenty-three million, seven hundred eighty-two thousand, six hundred seventy-one".