225123223 has 8 divisors (see below), whose sum is σ = 243338816. Its totient is φ = 207036000.

The previous prime is 225123221. The next prime is 225123263. The reversal of 225123223 is 322321522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225123223 - 2¹ = 225123221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225123194 and 225123203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225123221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28428 + ... + 35473.

It is an arithmetic number, because the mean of its divisors is an integer number (30417352).

Almost surely, 2^225123223 is an apocalyptic number.

225123223 is a deficient number, since it is larger than the sum of its proper divisors (18215593).

225123223 is a wasteful number, since it uses less digits than its factorization.

225123223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64185.

The product of its digits is 1440, while the sum is 22.

The square root of 225123223 is about 15004.1068711203. The cubic root of 225123223 is about 608.3312114686.

Adding to 225123223 its reverse (322321522), we get a palindrome (547444745).

The spelling of 225123223 in words is "two hundred twenty-five million, one hundred twenty-three thousand, two hundred twenty-three".