343203 has 16 divisors (see below), whose sum is σ = 533760. Its totient is φ = 192096.

The previous prime is 343199. The next prime is 343219. The reversal of 343203 is 302343.

It is not a de Polignac number, because 343203 - 2² = 343199 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 343203.

It is not an unprimeable number, because it can be changed into a prime (343243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1101 + ... + 1377.

It is an arithmetic number, because the mean of its divisors is an integer number (33360).

2³⁴³²⁰³ is an apocalyptic number.

343203 is a deficient number, since it is larger than the sum of its proper divisors (190557).

343203 is a wasteful number, since it uses less digits than its factorization.

343203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346.

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 343203 is about 585.8353010873. The cubic root of 343203 is about 70.0138068004.

Adding to 343203 its reverse (302343), we get a palindrome (645546).

The spelling of 343203 in words is "three hundred forty-three thousand, two hundred three", and thus it is an iban number.