342303 has 16 divisors (see below), whose sum is σ = 502656. Its totient is φ = 205920.

The previous prime is 342299. The next prime is 342319. The reversal of 342303 is 303243.

It is not a de Polignac number, because 342303 - 2² = 342299 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342343) 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 in 15 ways as a sum of consecutive naturals, for example, 2548 + ... + 2678.

It is an arithmetic number, because the mean of its divisors is an integer number (31416).

2³⁴²³⁰³ is an apocalyptic number.

342303 is a deficient number, since it is larger than the sum of its proper divisors (160353).

342303 is a wasteful number, since it uses less digits than its factorization.

342303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214.

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

The square root of 342303 is about 585.0666628684. The cubic root of 342303 is about 69.9525528809.

Adding to 342303 its reverse (303243), we get a palindrome (645546).

Subtracting from 342303 its reverse (303243), we obtain a triangular number (39060 = T₂₇₉).

The spelling of 342303 in words is "three hundred forty-two thousand, three hundred three", and thus it is an iban number.