12523646347 has 2 divisors, whose sum is σ = 12523646348. Its totient is φ = 12523646346.

The previous prime is 12523646323. The next prime is 12523646353. The reversal of 12523646347 is 74364632521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12523646347 - 2¹⁵ = 12523613579 is a prime.

It is not a weakly prime, because it can be changed into another prime (12523646357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6261823173 + 6261823174.

It is an arithmetic number, because the mean of its divisors is an integer number (6261823174).

Almost surely, 2^12523646347 is an apocalyptic number.

12523646347 is a deficient number, since it is larger than the sum of its proper divisors (1).

12523646347 is an equidigital number, since it uses as much as digits as its factorization.

12523646347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 43.

The spelling of 12523646347 in words is "twelve billion, five hundred twenty-three million, six hundred forty-six thousand, three hundred forty-seven".