343020563 has 2 divisors, whose sum is σ = 343020564. Its totient is φ = 343020562.

The previous prime is 343020527. The next prime is 343020569. The reversal of 343020563 is 365020343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 343020563 - 2¹² = 343016467 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (343020569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171510281 + 171510282.

It is an arithmetic number, because the mean of its divisors is an integer number (171510282).

Almost surely, 2^343020563 is an apocalyptic number.

343020563 is a deficient number, since it is larger than the sum of its proper divisors (1).

343020563 is an equidigital number, since it uses as much as digits as its factorization.

343020563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 343020563 is about 18520.8143179505. The cubic root of 343020563 is about 700.0139881558.

The spelling of 343020563 in words is "three hundred forty-three million, twenty thousand, five hundred sixty-three".