323421 has 8 divisors (see below), whose sum is σ = 492864. Its totient is φ = 184800.

The previous prime is 323419. The next prime is 323441. The reversal of 323421 is 124323.

323421 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 323421 - 2¹ = 323419 is a prime.

It is a super-2 number, since 2×323421² = 209202286482, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3⁷ + 2³ + 4⁹ + 3¹⁰ + 2⁵ + 1 .

323421 is strictly pandigital in base 7.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 323421.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 323421.

It is not an unprimeable number, because it can be changed into a prime (323441) 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, 7680 + ... + 7721.

It is an arithmetic number, because the mean of its divisors is an integer number (61608).

2³²³⁴²¹ is an apocalyptic number.

It is an amenable number.

323421 is a deficient number, since it is larger than the sum of its proper divisors (169443).

323421 is a wasteful number, since it uses less digits than its factorization.

323421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15411.

The product of its digits is 144, while the sum is 15.

The square root of 323421 is about 568.7011517484. The cubic root of 323421 is about 68.6419172230.

Adding to 323421 its reverse (124323), we get a palindrome (447744).

The spelling of 323421 in words is "three hundred twenty-three thousand, four hundred twenty-one", and thus it is an iban number.