201223312321 has 8 divisors (see below), whose sum is σ = 209108448000. Its totient is φ = 193425305520.

The previous prime is 201223312313. The next prime is 201223312333. The reversal of 201223312321 is 123213322102.

201223312321 is digitally balanced in base 2, 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 a cyclic number.

It is not a de Polignac number, because 201223312321 - 2³ = 201223312313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201223312292 and 201223312301.

It is not an unprimeable number, because it can be changed into a prime (201223312621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21777511 + ... + 21786748.

It is an arithmetic number, because the mean of its divisors is an integer number (26138556000).

Almost surely, 2^201223312321 is an apocalyptic number.

It is an amenable number.

201223312321 is a deficient number, since it is larger than the sum of its proper divisors (7885135679).

201223312321 is a wasteful number, since it uses less digits than its factorization.

201223312321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43564439.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 201223312321 its reverse (123213322102), we get a palindrome (324436634423).

The spelling of 201223312321 in words is "two hundred one billion, two hundred twenty-three million, three hundred twelve thousand, three hundred twenty-one".