340260343 has 2 divisors, whose sum is σ = 340260344. Its totient is φ = 340260342.

The previous prime is 340260299. The next prime is 340260359. The reversal of 340260343 is 343062043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340260343 - 2⁹ = 340259831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340260043) 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, 170130171 + 170130172.

It is an arithmetic number, because the mean of its divisors is an integer number (170130172).

Almost surely, 2^340260343 is an apocalyptic number.

340260343 is a deficient number, since it is larger than the sum of its proper divisors (1).

340260343 is an equidigital number, since it uses as much as digits as its factorization.

340260343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 340260343 is about 18446.1471044769. The cubic root of 340260343 is about 698.1313035853.

The spelling of 340260343 in words is "three hundred forty million, two hundred sixty thousand, three hundred forty-three".