12143343 has 16 divisors (see below), whose sum is σ = 16782336. Its totient is φ = 7805280.

The previous prime is 12143317. The next prime is 12143353. The reversal of 12143343 is 34334121.

It is not a de Polignac number, because 12143343 - 2¹² = 12139247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12143303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9405 + ... + 10617.

It is an arithmetic number, because the mean of its divisors is an integer number (1048896).

Almost surely, 2^12143343 is an apocalyptic number.

12143343 is a deficient number, since it is larger than the sum of its proper divisors (4638993).

12143343 is a wasteful number, since it uses less digits than its factorization.

12143343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334.

The product of its digits is 864, while the sum is 21.

The square root of 12143343 is about 3484.7299751918. The cubic root of 12143343 is about 229.8508358592.

Adding to 12143343 its reverse (34334121), we get a palindrome (46477464).

The spelling of 12143343 in words is "twelve million, one hundred forty-three thousand, three hundred forty-three".