12323143 has 4 divisors (see below), whose sum is σ = 14083600. Its totient is φ = 10562688.

The previous prime is 12323141. The next prime is 12323161. The reversal of 12323143 is 34132321.

12323143 is digitally balanced in base 3, 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 not a de Polignac number, because 12323143 - 2¹ = 12323141 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 12323143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12323141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 880218 + ... + 880231.

It is an arithmetic number, because the mean of its divisors is an integer number (3520900).

Almost surely, 2^12323143 is an apocalyptic number.

12323143 is a deficient number, since it is larger than the sum of its proper divisors (1760457).

12323143 is an equidigital number, since it uses as much as digits as its factorization.

12323143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760456.

The product of its digits is 432, while the sum is 19.

The square root of 12323143 is about 3510.4334490202. The cubic root of 12323143 is about 230.9797087428.

Adding to 12323143 its reverse (34132321), we get a palindrome (46455464).

The spelling of 12323143 in words is "twelve million, three hundred twenty-three thousand, one hundred forty-three".