342403343 has 4 divisors (see below), whose sum is σ = 343939008. Its totient is φ = 340867680.

The previous prime is 342403337. The next prime is 342403357. The reversal of 342403343 is 343304243.

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 342403343 - 2²⁴ = 325626127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342403333) 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, 767498 + ... + 767943.

It is an arithmetic number, because the mean of its divisors is an integer number (85984752).

Almost surely, 2^342403343 is an apocalyptic number.

342403343 is a deficient number, since it is larger than the sum of its proper divisors (1535665).

342403343 is a wasteful number, since it uses less digits than its factorization.

342403343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535664.

The product of its (nonzero) digits is 10368, while the sum is 26.

The square root of 342403343 is about 18504.1439412906. The cubic root of 342403343 is about 699.5938753053.

Adding to 342403343 its reverse (343304243), we get a palindrome (685707586).

The spelling of 342403343 in words is "three hundred forty-two million, four hundred three thousand, three hundred forty-three".