201323321 has 8 divisors (see below), whose sum is σ = 203234304. Its totient is φ = 199417680.

The previous prime is 201323303. The next prime is 201323351. The reversal of 201323321 is 123323102.

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 201323321 - 2¹⁸ = 201061177 is a prime.

It is a super-3 number, since 3×201323321³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201323321.

It is not an unprimeable number, because it can be changed into a prime (201323351) 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, 137831 + ... + 139283.

It is an arithmetic number, because the mean of its divisors is an integer number (25404288).

Almost surely, 2^201323321 is an apocalyptic number.

It is an amenable number.

201323321 is a deficient number, since it is larger than the sum of its proper divisors (1910983).

201323321 is a wasteful number, since it uses less digits than its factorization.

201323321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2671.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 201323321 is about 14188.8449494665. The cubic root of 201323321 is about 586.0905180366.

Adding to 201323321 its reverse (123323102), we get a palindrome (324646423).

The spelling of 201323321 in words is "two hundred one million, three hundred twenty-three thousand, three hundred twenty-one".