223444312223 has 16 divisors (see below), whose sum is σ = 246537477792. Its totient is φ = 200820480000.

The previous prime is 223444312151. The next prime is 223444312243. The reversal of 223444312223 is 322213444322.

It is a cyclic number.

It is not a de Polignac number, because 223444312223 - 2⁸ = 223444311967 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 223444312223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223444312243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 598283 + ... + 897123.

It is an arithmetic number, because the mean of its divisors is an integer number (15408592362).

Almost surely, 2^223444312223 is an apocalyptic number.

223444312223 is a deficient number, since it is larger than the sum of its proper divisors (23093165569).

223444312223 is a wasteful number, since it uses less digits than its factorization.

223444312223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299626.

The product of its digits is 55296, while the sum is 32.

Adding to 223444312223 its reverse (322213444322), we get a palindrome (545657756545).

The spelling of 223444312223 in words is "two hundred twenty-three billion, four hundred forty-four million, three hundred twelve thousand, two hundred twenty-three".