324312143 has 4 divisors (see below), whose sum is σ = 328417440. Its totient is φ = 320206848.

The previous prime is 324312137. The next prime is 324312161. The reversal of 324312143 is 341213423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341213423 = 1597 ⋅213659.

It is a cyclic number.

It is not a de Polignac number, because 324312143 - 2⁴ = 324312127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324312103) 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, 2052530 + ... + 2052687.

It is an arithmetic number, because the mean of its divisors is an integer number (82104360).

Almost surely, 2^324312143 is an apocalyptic number.

324312143 is a deficient number, since it is larger than the sum of its proper divisors (4105297).

324312143 is an equidigital number, since it uses as much as digits as its factorization.

324312143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4105296.

The product of its digits is 1728, while the sum is 23.

The square root of 324312143 is about 18008.6685515615. The cubic root of 324312143 is about 687.0490392685.

Adding to 324312143 its reverse (341213423), we get a palindrome (665525566).

The spelling of 324312143 in words is "three hundred twenty-four million, three hundred twelve thousand, one hundred forty-three".