12947513023 has 2 divisors, whose sum is σ = 12947513024. Its totient is φ = 12947513022.

The previous prime is 12947512973. The next prime is 12947513057. The reversal of 12947513023 is 32031574921.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12947513023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12947519023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6473756511 + 6473756512.

It is an arithmetic number, because the mean of its divisors is an integer number (6473756512).

Almost surely, 2^12947513023 is an apocalyptic number.

12947513023 is a deficient number, since it is larger than the sum of its proper divisors (1).

12947513023 is an equidigital number, since it uses as much as digits as its factorization.

12947513023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 12947513023 in words is "twelve billion, nine hundred forty-seven million, five hundred thirteen thousand, twenty-three".