12542506523 has 2 divisors, whose sum is σ = 12542506524. Its totient is φ = 12542506522.

The previous prime is 12542506453. The next prime is 12542506541. The reversal of 12542506523 is 32560524521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12542506523 - 2¹⁰ = 12542505499 is a prime.

It is not a weakly prime, because it can be changed into another prime (12542506553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6271253261 + 6271253262.

It is an arithmetic number, because the mean of its divisors is an integer number (6271253262).

Almost surely, 2^12542506523 is an apocalyptic number.

12542506523 is a deficient number, since it is larger than the sum of its proper divisors (1).

12542506523 is an equidigital number, since it uses as much as digits as its factorization.

12542506523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 12542506523 in words is "twelve billion, five hundred forty-two million, five hundred six thousand, five hundred twenty-three".