12203223 has 4 divisors (see below), whose sum is σ = 16270968. Its totient is φ = 8135480.

The previous prime is 12203207. The next prime is 12203231. The reversal of 12203223 is 32230221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32230221 = 3 ⋅10743407.

It is a cyclic number.

It is not a de Polignac number, because 12203223 - 2⁴ = 12203207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12203203) 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, 2033868 + ... + 2033873.

It is an arithmetic number, because the mean of its divisors is an integer number (4067742).

Almost surely, 2^12203223 is an apocalyptic number.

12203223 is a deficient number, since it is larger than the sum of its proper divisors (4067745).

12203223 is an equidigital number, since it uses as much as digits as its factorization.

12203223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4067744.

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

The square root of 12203223 is about 3493.3111799552. The cubic root of 12203223 is about 230.2280221312.

Adding to 12203223 its reverse (32230221), we get a palindrome (44433444).

The spelling of 12203223 in words is "twelve million, two hundred three thousand, two hundred twenty-three".