12345223 has 16 divisors (see below), whose sum is σ = 14257152. Its totient is φ = 10584000.

The previous prime is 12345211. The next prime is 12345233. The reversal of 12345223 is 32254321.

It is a cyclic number.

It is not a de Polignac number, because 12345223 - 2⁵ = 12345191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12345194 and 12345203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12345233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13540 + ... + 14422.

It is an arithmetic number, because the mean of its divisors is an integer number (891072).

Almost surely, 2^12345223 is an apocalyptic number.

12345223 is a deficient number, since it is larger than the sum of its proper divisors (1911929).

12345223 is a wasteful number, since it uses less digits than its factorization.

12345223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966.

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

The square root of 12345223 is about 3513.5769523379. The cubic root of 12345223 is about 231.1175791168.

Adding to 12345223 its reverse (32254321), we get a palindrome (44599544).

The spelling of 12345223 in words is "twelve million, three hundred forty-five thousand, two hundred twenty-three".