12343243 has 4 divisors (see below), whose sum is σ = 13465368. Its totient is φ = 11221120.

The previous prime is 12343231. The next prime is 12343271. The reversal of 12343243 is 34234321.

It is a happy number.

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 12343243 - 2¹³ = 12335051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12343283) 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, 561046 + ... + 561067.

It is an arithmetic number, because the mean of its divisors is an integer number (3366342).

Almost surely, 2^12343243 is an apocalyptic number.

12343243 is a deficient number, since it is larger than the sum of its proper divisors (1122125).

12343243 is a wasteful number, since it uses less digits than its factorization.

12343243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122124.

The product of its digits is 1728, while the sum is 22.

The square root of 12343243 is about 3513.2951768959. The cubic root of 12343243 is about 231.1052224540.

Adding to 12343243 its reverse (34234321), we get a palindrome (46577564).

The spelling of 12343243 in words is "twelve million, three hundred forty-three thousand, two hundred forty-three".