323213300021 has 8 divisors (see below), whose sum is σ = 323562059520. Its totient is φ = 322864626672.

The previous prime is 323213300009. The next prime is 323213300087. The reversal of 323213300021 is 120003312323.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323213300021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 323213299966 and 323213300002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323213300521) 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, 9862100 + ... + 9894818.

It is an arithmetic number, because the mean of its divisors is an integer number (40445257440).

Almost surely, 2^323213300021 is an apocalyptic number.

It is an amenable number.

323213300021 is a deficient number, since it is larger than the sum of its proper divisors (348759499).

323213300021 is a wasteful number, since it uses less digits than its factorization.

323213300021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43075.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 323213300021 its reverse (120003312323), we get a palindrome (443216612344).

The spelling of 323213300021 in words is "three hundred twenty-three billion, two hundred thirteen million, three hundred thousand, twenty-one".