12523271947 has 2 divisors, whose sum is σ = 12523271948. Its totient is φ = 12523271946.

The previous prime is 12523271939. The next prime is 12523271951. The reversal of 12523271947 is 74917232521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12523271947 - 2³ = 12523271939 is a prime.

It is not a weakly prime, because it can be changed into another prime (12523271447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6261635973 + 6261635974.

It is an arithmetic number, because the mean of its divisors is an integer number (6261635974).

Almost surely, 2^12523271947 is an apocalyptic number.

12523271947 is a deficient number, since it is larger than the sum of its proper divisors (1).

12523271947 is an equidigital number, since it uses as much as digits as its factorization.

12523271947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 43.

The spelling of 12523271947 in words is "twelve billion, five hundred twenty-three million, two hundred seventy-one thousand, nine hundred forty-seven".