223221310023 has 32 divisors (see below), whose sum is σ = 313461550080. Its totient is φ = 141148465920.

The previous prime is 223221310009. The next prime is 223221310063. The reversal of 223221310023 is 320013122322.

It is a happy number.

It is not a de Polignac number, because 223221310023 - 2⁵ = 223221309991 is a prime.

It is a super-3 number, since 3×223221310023³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223221310063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 542286 + ... + 860532.

It is an arithmetic number, because the mean of its divisors is an integer number (9795673440).

Almost surely, 2^223221310023 is an apocalyptic number.

223221310023 is a deficient number, since it is larger than the sum of its proper divisors (90240240057).

223221310023 is a wasteful number, since it uses less digits than its factorization.

223221310023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318447.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 223221310023 its reverse (320013122322), we get a palindrome (543234432345).

The spelling of 223221310023 in words is "two hundred twenty-three billion, two hundred twenty-one million, three hundred ten thousand, twenty-three".