343303 has 2 divisors, whose sum is σ = 343304. Its totient is φ = 343302.

The previous prime is 343289. The next prime is 343307. The reversal of 343303 is 303343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 343303 - 2⁹ = 342791 is a prime.

It is a super-3 number, since 3×343303³ = 121381933320837381, which contains 333 as substring.

343303 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171651 + 171652.

It is an arithmetic number, because the mean of its divisors is an integer number (171652).

2³⁴³³⁰³ is an apocalyptic number.

343303 is a deficient number, since it is larger than the sum of its proper divisors (1).

343303 is an equidigital number, since it uses as much as digits as its factorization.

343303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 16.

The square root of 343303 is about 585.9206430909. The cubic root of 343303 is about 70.0206061784.

Adding to 343303 its reverse (303343), we get a palindrome (646646).

It can be divided in two parts, 343 and 303, that added together give a palindrome (646).

The spelling of 343303 in words is "three hundred forty-three thousand, three hundred three", and thus it is an iban number.