12243043 has 4 divisors (see below), whose sum is σ = 12963240. Its totient is φ = 11522848.

The previous prime is 12243029. The next prime is 12243071. The reversal of 12243043 is 34034221.

12243043 is digitally balanced in base 2, 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 a de Polignac number, because none of the positive numbers 2^k-12243043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12243043.

It is not an unprimeable number, because it can be changed into a prime (12243443) 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, 360073 + ... + 360106.

It is an arithmetic number, because the mean of its divisors is an integer number (3240810).

Almost surely, 2^12243043 is an apocalyptic number.

12243043 is a deficient number, since it is larger than the sum of its proper divisors (720197).

12243043 is an equidigital number, since it uses as much as digits as its factorization.

12243043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720196.

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

The square root of 12243043 is about 3499.0060017096. The cubic root of 12243043 is about 230.4781671483.

Adding to 12243043 its reverse (34034221), we get a palindrome (46277264).

The spelling of 12243043 in words is "twelve million, two hundred forty-three thousand, forty-three".