343003 has 4 divisors (see below), whose sum is σ = 348688. Its totient is φ = 337320.

The previous prime is 342989. The next prime is 343019. The reversal of 343003 is 300343.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 343003 - 2⁵ = 342971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2751 + ... + 2872.

It is an arithmetic number, because the mean of its divisors is an integer number (87172).

343003 is a Friedman number, since it can be written as (40+30)^3+3, using all its digits and the basic arithmetic operations.

2³⁴³⁰⁰³ is an apocalyptic number.

343003 is a deficient number, since it is larger than the sum of its proper divisors (5685).

343003 is an equidigital number, since it uses as much as digits as its factorization.

343003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5684.

The product of its (nonzero) digits is 108, while the sum is 13.

The square root of 343003 is about 585.6645797724. The cubic root of 343003 is about 70.0002040810. Note that the first 3 decimals are identical.

Adding to 343003 its reverse (300343), we get a palindrome (643346).

The spelling of 343003 in words is "three hundred forty-three thousand, three", and thus it is an iban number.