12810323623 has 2 divisors, whose sum is σ = 12810323624. Its totient is φ = 12810323622.

The previous prime is 12810323609. The next prime is 12810323627. The reversal of 12810323623 is 32632301821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12810323623 - 2³³ = 4220389031 is a prime.

It is a super-2 number, since 2×12810323623² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12810323627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6405161811 + 6405161812.

It is an arithmetic number, because the mean of its divisors is an integer number (6405161812).

Almost surely, 2^12810323623 is an apocalyptic number.

12810323623 is a deficient number, since it is larger than the sum of its proper divisors (1).

12810323623 is an equidigital number, since it uses as much as digits as its factorization.

12810323623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 12810323623 in words is "twelve billion, eight hundred ten million, three hundred twenty-three thousand, six hundred twenty-three".