12318354143 has 2 divisors, whose sum is σ = 12318354144. Its totient is φ = 12318354142.

The previous prime is 12318354137. The next prime is 12318354149. The reversal of 12318354143 is 34145381321.

It is a balanced prime because it is at equal distance from previous prime (12318354137) and next prime (12318354149).

It is a cyclic number.

It is not a de Polignac number, because 12318354143 - 2²⁸ = 12049918687 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12318354149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6159177071 + 6159177072.

It is an arithmetic number, because the mean of its divisors is an integer number (6159177072).

Almost surely, 2^12318354143 is an apocalyptic number.

12318354143 is a deficient number, since it is larger than the sum of its proper divisors (1).

12318354143 is an equidigital number, since it uses as much as digits as its factorization.

12318354143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 35.

The spelling of 12318354143 in words is "twelve billion, three hundred eighteen million, three hundred fifty-four thousand, one hundred forty-three".