43124142317 has 2 divisors, whose sum is σ = 43124142318. Its totient is φ = 43124142316.

The previous prime is 43124142263. The next prime is 43124142323. The reversal of 43124142317 is 71324142134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40334295556 + 2789846761 = 200834^2 + 52819^2 .

It is a cyclic number.

It is not a de Polignac number, because 43124142317 - 2²² = 43119948013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43124142337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21562071158 + 21562071159.

It is an arithmetic number, because the mean of its divisors is an integer number (21562071159).

Almost surely, 2^43124142317 is an apocalyptic number.

It is an amenable number.

43124142317 is a deficient number, since it is larger than the sum of its proper divisors (1).

43124142317 is an equidigital number, since it uses as much as digits as its factorization.

43124142317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 32.

The spelling of 43124142317 in words is "forty-three billion, one hundred twenty-four million, one hundred forty-two thousand, three hundred seventeen".