321213210223 has 8 divisors (see below), whose sum is σ = 340136731440. Its totient is φ = 302292869760.

The previous prime is 321213210221. The next prime is 321213210259. The reversal of 321213210223 is 322012312123.

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 321213210223 - 2¹ = 321213210221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321213210194 and 321213210203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321213210221) 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, 585688 + ... + 992701.

It is an arithmetic number, because the mean of its divisors is an integer number (42517091430).

Almost surely, 2^321213210223 is an apocalyptic number.

321213210223 is a deficient number, since it is larger than the sum of its proper divisors (18923521217).

321213210223 is a wasteful number, since it uses less digits than its factorization.

321213210223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590377.

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

Adding to 321213210223 its reverse (322012312123), we get a palindrome (643225522346).

The spelling of 321213210223 in words is "three hundred twenty-one billion, two hundred thirteen million, two hundred ten thousand, two hundred twenty-three".