342443 has 4 divisors (see below), whose sum is σ = 347208. Its totient is φ = 337680.

The previous prime is 342421. The next prime is 342449. The reversal of 342443 is 344243.

It is a happy number.

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 342443 - 2⁶ = 342379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342449) 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 3 ways as a sum of consecutive naturals, for example, 2273 + ... + 2418.

It is an arithmetic number, because the mean of its divisors is an integer number (86802).

2³⁴²⁴⁴³ is an apocalyptic number.

342443 is a deficient number, since it is larger than the sum of its proper divisors (4765).

342443 is an equidigital number, since it uses as much as digits as its factorization.

342443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4764.

The product of its digits is 1152, while the sum is 20.

The square root of 342443 is about 585.1862951232. The cubic root of 342443 is about 69.9620883144.

Adding to 342443 its reverse (344243), we get a palindrome (686686).

The spelling of 342443 in words is "three hundred forty-two thousand, four hundred forty-three", and thus it is an iban number.