321345383 has 8 divisors (see below), whose sum is σ = 325552080. Its totient is φ = 317157120.

The previous prime is 321345359. The next prime is 321345403. The reversal of 321345383 is 383543123.

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 321345383 - 2¹⁴ = 321328999 is a prime.

It is a super-3 number, since 3×321345383³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321345083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32393 + ... + 41133.

It is an arithmetic number, because the mean of its divisors is an integer number (40694010).

Almost surely, 2^321345383 is an apocalyptic number.

321345383 is a deficient number, since it is larger than the sum of its proper divisors (4206697).

321345383 is an equidigital number, since it uses as much as digits as its factorization.

321345383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9217.

The product of its digits is 25920, while the sum is 32.

The square root of 321345383 is about 17926.1089754581. The cubic root of 321345383 is about 684.9476103219.

The spelling of 321345383 in words is "three hundred twenty-one million, three hundred forty-five thousand, three hundred eighty-three".