12443203 has 4 divisors (see below), whose sum is σ = 12708000. Its totient is φ = 12178408.

The previous prime is 12443191. The next prime is 12443219. The reversal of 12443203 is 30234421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12443203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12443243) 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, 132328 + ... + 132421.

It is an arithmetic number, because the mean of its divisors is an integer number (3177000).

Almost surely, 2^12443203 is an apocalyptic number.

12443203 is a deficient number, since it is larger than the sum of its proper divisors (264797).

12443203 is an equidigital number, since it uses as much as digits as its factorization.

12443203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264796.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 12443203 is about 3527.4924521535. The cubic root of 12443203 is about 231.7274035208.

Adding to 12443203 its reverse (30234421), we get a palindrome (42677624).

The spelling of 12443203 in words is "twelve million, four hundred forty-three thousand, two hundred three".