12343807534309 has 2 divisors, whose sum is σ = 12343807534310. Its totient is φ = 12343807534308.

The previous prime is 12343807534147. The next prime is 12343807534391. The reversal of 12343807534309 is 90343570834321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10003443003684 + 2340364530625 = 3162822^2 + 1529825^2 .

It is a cyclic number.

It is not a de Polignac number, because 12343807534309 - 2¹³ = 12343807526117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12343807534109) 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, 6171903767154 + 6171903767155.

It is an arithmetic number, because the mean of its divisors is an integer number (6171903767155).

Almost surely, 2^{12343807534309} is an apocalyptic number.

It is an amenable number.

12343807534309 is a deficient number, since it is larger than the sum of its proper divisors (1).

12343807534309 is an equidigital number, since it uses as much as digits as its factorization.

12343807534309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 52.

The spelling of 12343807534309 in words is "twelve trillion, three hundred forty-three billion, eight hundred seven million, five hundred thirty-four thousand, three hundred nine".