12230243 has 4 divisors (see below), whose sum is σ = 12873960. Its totient is φ = 11586528.

The previous prime is 12230233. The next prime is 12230353. The reversal of 12230243 is 34203221.

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 12230243 - 2²² = 8035939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12230233) 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, 321830 + ... + 321867.

It is an arithmetic number, because the mean of its divisors is an integer number (3218490).

Almost surely, 2^12230243 is an apocalyptic number.

12230243 is a deficient number, since it is larger than the sum of its proper divisors (643717).

12230243 is an equidigital number, since it uses as much as digits as its factorization.

12230243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643716.

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

The square root of 12230243 is about 3497.1764324952. The cubic root of 12230243 is about 230.3978181358.

Adding to 12230243 its reverse (34203221), we get a palindrome (46433464).

The spelling of 12230243 in words is "twelve million, two hundred thirty thousand, two hundred forty-three".