21023200020223 has 8 divisors (see below), whose sum is σ = 22802782232160. Its totient is φ = 19303942629120.

The previous prime is 21023200020181. The next prime is 21023200020269. The reversal of 21023200020223 is 32202000232012.

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-21023200020223 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 21023200020223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21023200021223) 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, 15081204483 + ... + 15081205876.

It is an arithmetic number, because the mean of its divisors is an integer number (2850347779020).

Almost surely, 2^{21023200020223} is an apocalyptic number.

21023200020223 is a deficient number, since it is larger than the sum of its proper divisors (1779582211937).

21023200020223 is a wasteful number, since it uses less digits than its factorization.

21023200020223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30162410417.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 21023200020223 its reverse (32202000232012), we get a palindrome (53225200252235).

The spelling of 21023200020223 in words is "twenty-one trillion, twenty-three billion, two hundred million, twenty thousand, two hundred twenty-three".