12743873231 has 2 divisors, whose sum is σ = 12743873232. Its totient is φ = 12743873230.

The previous prime is 12743873213. The next prime is 12743873239. The reversal of 12743873231 is 13237834721.

Together with previous prime (12743873213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12743873231 - 2⁶ = 12743873167 is a prime.

It is a super-2 number, since 2×12743873231² (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 (12743873239) 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, 6371936615 + 6371936616.

It is an arithmetic number, because the mean of its divisors is an integer number (6371936616).

Almost surely, 2^12743873231 is an apocalyptic number.

12743873231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12743873231 is an equidigital number, since it uses as much as digits as its factorization.

12743873231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 41.

The spelling of 12743873231 in words is "twelve billion, seven hundred forty-three million, eight hundred seventy-three thousand, two hundred thirty-one".