223222123 has 4 divisors (see below), whose sum is σ = 225523480. Its totient is φ = 220920768.

The previous prime is 223222099. The next prime is 223222133. The reversal of 223222123 is 321222322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223222123 is a prime.

It is a super-3 number, since 3×223222123³ (a number of 26 digits) contains 333 as substring.

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 223222123.

It is not an unprimeable number, because it can be changed into a prime (223222133) 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, 1150533 + ... + 1150726.

It is an arithmetic number, because the mean of its divisors is an integer number (56380870).

Almost surely, 2^223222123 is an apocalyptic number.

223222123 is a deficient number, since it is larger than the sum of its proper divisors (2301357).

223222123 is an equidigital number, since it uses as much as digits as its factorization.

223222123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2301356.

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

The square root of 223222123 is about 14940.6199001246. The cubic root of 223222123 is about 606.6139752503.

Adding to 223222123 its reverse (321222322), we get a palindrome (544444445).

The spelling of 223222123 in words is "two hundred twenty-three million, two hundred twenty-two thousand, one hundred twenty-three".