223123323223 has 4 divisors (see below), whose sum is σ = 223186876528. Its totient is φ = 223059769920.

The previous prime is 223123323211. The next prime is 223123323229. The reversal of 223123323223 is 322323321322.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322323321322 = 2 ⋅161161660661.

It is a cyclic number.

It is not a de Polignac number, because 223123323223 - 2⁵ = 223123323191 is a prime.

It is a super-3 number, since 3×223123323223³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223123323191 and 223123323200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223123323229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31771386 + ... + 31778407.

It is an arithmetic number, because the mean of its divisors is an integer number (55796719132).

Almost surely, 2^223123323223 is an apocalyptic number.

223123323223 is a deficient number, since it is larger than the sum of its proper divisors (63553305).

223123323223 is an equidigital number, since it uses as much as digits as its factorization.

223123323223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63553304.

The product of its digits is 15552, while the sum is 28.

Adding to 223123323223 its reverse (322323321322), we get a palindrome (545446644545).

The spelling of 223123323223 in words is "two hundred twenty-three billion, one hundred twenty-three million, three hundred twenty-three thousand, two hundred twenty-three".