223312223 has 4 divisors (see below), whose sum is σ = 226139040. Its totient is φ = 220485408.

The previous prime is 223312157. The next prime is 223312231. The reversal of 223312223 is 322213322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322213322 = 2 ⋅161106661.

It is a cyclic number.

It is not a de Polignac number, because 223312223 - 2⁸ = 223311967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223312195 and 223312204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223312823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1413290 + ... + 1413447.

It is an arithmetic number, because the mean of its divisors is an integer number (56534760).

Almost surely, 2^223312223 is an apocalyptic number.

223312223 is a deficient number, since it is larger than the sum of its proper divisors (2826817).

223312223 is an equidigital number, since it uses as much as digits as its factorization.

223312223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2826816.

The product of its digits is 864, while the sum is 20.

The square root of 223312223 is about 14943.6348657213. The cubic root of 223312223 is about 606.6955809120.

Adding to 223312223 its reverse (322213322), we get a palindrome (545525545).

The spelling of 223312223 in words is "two hundred twenty-three million, three hundred twelve thousand, two hundred twenty-three".