12023223 has 4 divisors (see below), whose sum is σ = 16030968. Its totient is φ = 8015480.

The previous prime is 12023191. The next prime is 12023239. The reversal of 12023223 is 32232021.

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 12023223 - 2⁵ = 12023191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023243) 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 3 ways as a sum of consecutive naturals, for example, 2003868 + ... + 2003873.

It is an arithmetic number, because the mean of its divisors is an integer number (4007742).

Almost surely, 2^12023223 is an apocalyptic number.

12023223 is a deficient number, since it is larger than the sum of its proper divisors (4007745).

12023223 is an equidigital number, since it uses as much as digits as its factorization.

12023223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4007744.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 12023223 is about 3467.4519463145. The cubic root of 12023223 is about 229.0904405583.

Adding to 12023223 its reverse (32232021), we get a palindrome (44255244).

It can be divided in two parts, 12023 and 223, that added together give a triangular number (12246 = T₁₅₆).

The spelling of 12023223 in words is "twelve million, twenty-three thousand, two hundred twenty-three".