12243203 has 4 divisors (see below), whose sum is σ = 13992240. Its totient is φ = 10494168.

The previous prime is 12243197. The next prime is 12243221. The reversal of 12243203 is 30234221.

12243203 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 12243203 - 2⁶ = 12243139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12243103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 874508 + ... + 874521.

It is an arithmetic number, because the mean of its divisors is an integer number (3498060).

Almost surely, 2^12243203 is an apocalyptic number.

12243203 is a deficient number, since it is larger than the sum of its proper divisors (1749037).

12243203 is an equidigital number, since it uses as much as digits as its factorization.

12243203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749036.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 12243203 is about 3499.0288652710. The cubic root of 12243203 is about 230.4791711565.

Adding to 12243203 its reverse (30234221), we get a palindrome (42477424).

The spelling of 12243203 in words is "twelve million, two hundred forty-three thousand, two hundred three".