12523646323 has 2 divisors, whose sum is σ = 12523646324. Its totient is φ = 12523646322.

The previous prime is 12523646279. The next prime is 12523646347. The reversal of 12523646323 is 32364632521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12523646323 - 2³³ = 3933711731 is a prime.

It is not a weakly prime, because it can be changed into another prime (12523646353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6261823161 + 6261823162.

It is an arithmetic number, because the mean of its divisors is an integer number (6261823162).

Almost surely, 2^12523646323 is an apocalyptic number.

12523646323 is a deficient number, since it is larger than the sum of its proper divisors (1).

12523646323 is an equidigital number, since it uses as much as digits as its factorization.

12523646323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 37.

The spelling of 12523646323 in words is "twelve billion, five hundred twenty-three million, six hundred forty-six thousand, three hundred twenty-three".