342403321 has 8 divisors (see below), whose sum is σ = 369488000. Its totient is φ = 315425232.

The previous prime is 342403289. The next prime is 342403333. The reversal of 342403321 is 123304243.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 342403321 - 2⁵ = 342403289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342403292 and 342403301.

It is not an unprimeable number, because it can be changed into a prime (342403021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19905 + ... + 32878.

It is an arithmetic number, because the mean of its divisors is an integer number (46186000).

Almost surely, 2^342403321 is an apocalyptic number.

It is an amenable number.

342403321 is a deficient number, since it is larger than the sum of its proper divisors (27084679).

342403321 is a wasteful number, since it uses less digits than its factorization.

342403321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53295.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 342403321 is about 18504.1433468291. The cubic root of 342403321 is about 699.5938603219.

Adding to 342403321 its reverse (123304243), we get a palindrome (465707564).

The spelling of 342403321 in words is "three hundred forty-two million, four hundred three thousand, three hundred twenty-one".