21333222313223 has 8 divisors (see below), whose sum is σ = 21442223556000. Its totient is φ = 21224239062048.

The previous prime is 21333222313177. The next prime is 21333222313231. The reversal of 21333222313223 is 32231322233312.

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 21333222313223 - 2¹² = 21333222309127 is a prime.

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 21333222313223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21333222313253) 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, 2117168 + ... + 6866501.

It is an arithmetic number, because the mean of its divisors is an integer number (2680277944500).

Almost surely, 2^{21333222313223} is an apocalyptic number.

21333222313223 is a deficient number, since it is larger than the sum of its proper divisors (109001242777).

21333222313223 is a wasteful number, since it uses less digits than its factorization.

21333222313223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8995801.

The product of its digits is 46656, while the sum is 32.

Adding to 21333222313223 its reverse (32231322233312), we get a palindrome (53564544546535).

The spelling of 21333222313223 in words is "twenty-one trillion, three hundred thirty-three billion, two hundred twenty-two million, three hundred thirteen thousand, two hundred twenty-three".