12923086871 has 2 divisors, whose sum is σ = 12923086872. Its totient is φ = 12923086870.

The previous prime is 12923086861. The next prime is 12923086909. The reversal of 12923086871 is 17868032921.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12923086871 - 2²⁶ = 12855978007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12923086801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6461543435 + 6461543436.

It is an arithmetic number, because the mean of its divisors is an integer number (6461543436).

Almost surely, 2^12923086871 is an apocalyptic number.

12923086871 is a deficient number, since it is larger than the sum of its proper divisors (1).

12923086871 is an equidigital number, since it uses as much as digits as its factorization.

12923086871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 47.

The spelling of 12923086871 in words is "twelve billion, nine hundred twenty-three million, eighty-six thousand, eight hundred seventy-one".