343108663 has 2 divisors, whose sum is σ = 343108664. Its totient is φ = 343108662.

The previous prime is 343108627. The next prime is 343108679. The reversal of 343108663 is 366801343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 343108663 - 2²¹ = 341011511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343108063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171554331 + 171554332.

It is an arithmetic number, because the mean of its divisors is an integer number (171554332).

Almost surely, 2^343108663 is an apocalyptic number.

343108663 is a deficient number, since it is larger than the sum of its proper divisors (1).

343108663 is an equidigital number, since it uses as much as digits as its factorization.

343108663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 343108663 is about 18523.1925703967. The cubic root of 343108663 is about 700.0739126035.

The spelling of 343108663 in words is "three hundred forty-three million, one hundred eight thousand, six hundred sixty-three".