23221020223 has 8 divisors (see below), whose sum is σ = 23331127248. Its totient is φ = 23111002944.

The previous prime is 23221020211. The next prime is 23221020283. The reversal of 23221020223 is 32202012232.

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 23221020223 - 2²⁹ = 22684149311 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 23221020223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23221020283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528040 + ... + 570322.

It is an arithmetic number, because the mean of its divisors is an integer number (2916390906).

Almost surely, 2^23221020223 is an apocalyptic number.

23221020223 is a deficient number, since it is larger than the sum of its proper divisors (110107025).

23221020223 is a wasteful number, since it uses less digits than its factorization.

23221020223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44873.

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

Adding to 23221020223 its reverse (32202012232), we get a palindrome (55423032455).

The spelling of 23221020223 in words is "twenty-three billion, two hundred twenty-one million, twenty thousand, two hundred twenty-three".