323213202120221 has 8 divisors (see below), whose sum is σ = 369406869849600. Its totient is φ = 277024622676048.

The previous prime is 323213202120197. The next prime is 323213202120269. The reversal of 323213202120221 is 122021202312323.

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 323213202120221 - 2¹⁴ = 323213202103837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323213202120271) 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, 1271935181 + ... + 1272189266.

It is an arithmetic number, because the mean of its divisors is an integer number (46175858731200).

Almost surely, 2^{323213202120221} is an apocalyptic number.

It is an amenable number.

323213202120221 is a deficient number, since it is larger than the sum of its proper divisors (46193667729379).

323213202120221 is a wasteful number, since it uses less digits than its factorization.

323213202120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2544142603.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 323213202120221 its reverse (122021202312323), we get a palindrome (445234404432544).

The spelling of 323213202120221 in words is "three hundred twenty-three trillion, two hundred thirteen billion, two hundred two million, one hundred twenty thousand, two hundred twenty-one".