223223123 has 4 divisors (see below), whose sum is σ = 226281048. Its totient is φ = 220165200.

The previous prime is 223223081. The next prime is 223223129. The reversal of 223223123 is 321322322.

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

It is a cyclic number.

It is not a de Polignac number, because 223223123 - 2¹⁰ = 223222099 is a prime.

It is a super-3 number, since 3×223223123³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223223095 and 223223104.

It is not an unprimeable number, because it can be changed into a prime (223223129) 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, 1528853 + ... + 1528998.

It is an arithmetic number, because the mean of its divisors is an integer number (56570262).

Almost surely, 2^223223123 is an apocalyptic number.

223223123 is a deficient number, since it is larger than the sum of its proper divisors (3057925).

223223123 is an equidigital number, since it uses as much as digits as its factorization.

223223123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3057924.

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

The square root of 223223123 is about 14940.6533659007. The cubic root of 223223123 is about 606.6148810940.

Adding to 223223123 its reverse (321322322), we get a palindrome (544545445).

The spelling of 223223123 in words is "two hundred twenty-three million, two hundred twenty-three thousand, one hundred twenty-three".