321343 has 8 divisors (see below), whose sum is σ = 354816. Its totient is φ = 288600.

The previous prime is 321341. The next prime is 321359. The reversal of 321343 is 343123.

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 321343 - 2¹ = 321341 is a prime.

It is a super-2 number, since 2×321343² = 206522647298, which contains 22 as substring.

It is an Ulam number.

321343 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321341) 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 7 ways as a sum of consecutive naturals, for example, 1330 + ... + 1552.

It is an arithmetic number, because the mean of its divisors is an integer number (44352).

2³²¹³⁴³ is an apocalyptic number.

321343 is a deficient number, since it is larger than the sum of its proper divisors (33473).

321343 is a wasteful number, since it uses less digits than its factorization.

321343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365.

The product of its digits is 216, while the sum is 16.

The square root of 321343 is about 566.8712375840. The cubic root of 321343 is about 68.4945917196.

Adding to 321343 its reverse (343123), we get a palindrome (664466).

The spelling of 321343 in words is "three hundred twenty-one thousand, three hundred forty-three", and thus it is an iban number.