343942717903 has 2 divisors, whose sum is σ = 343942717904. Its totient is φ = 343942717902.

The previous prime is 343942717897. The next prime is 343942717957. The reversal of 343942717903 is 309717249343.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 343942717903 - 2³⁷ = 206503764431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343942712903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171971358951 + 171971358952.

It is an arithmetic number, because the mean of its divisors is an integer number (171971358952).

Almost surely, 2^343942717903 is an apocalyptic number.

343942717903 is a deficient number, since it is larger than the sum of its proper divisors (1).

343942717903 is an equidigital number, since it uses as much as digits as its factorization.

343942717903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3429216, while the sum is 52.

The spelling of 343942717903 in words is "three hundred forty-three billion, nine hundred forty-two million, seven hundred seventeen thousand, nine hundred three".