12343223 has 4 divisors (see below), whose sum is σ = 12576168. Its totient is φ = 12110280.

The previous prime is 12343189. The next prime is 12343231. The reversal of 12343223 is 32234321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32234321 = 7 ⋅4604903.

It is a cyclic number.

It is not a de Polignac number, because 12343223 - 2²² = 8148919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12343195 and 12343204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12343283) 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, 116393 + ... + 116498.

It is an arithmetic number, because the mean of its divisors is an integer number (3144042).

Almost surely, 2^12343223 is an apocalyptic number.

12343223 is a deficient number, since it is larger than the sum of its proper divisors (232945).

12343223 is an equidigital number, since it uses as much as digits as its factorization.

12343223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232944.

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

The square root of 12343223 is about 3513.2923305640. The cubic root of 12343223 is about 231.1050976325.

Adding to 12343223 its reverse (32234321), we get a palindrome (44577544).

The spelling of 12343223 in words is "twelve million, three hundred forty-three thousand, two hundred twenty-three".