324140423 has 4 divisors (see below), whose sum is σ = 324177000. Its totient is φ = 324103848.

The previous prime is 324140419. The next prime is 324140431. The reversal of 324140423 is 324041423.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 324140423 - 2² = 324140419 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 (324140413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4328 + ... + 25826.

It is an arithmetic number, because the mean of its divisors is an integer number (81044250).

Almost surely, 2^324140423 is an apocalyptic number.

324140423 is a deficient number, since it is larger than the sum of its proper divisors (36577).

324140423 is a wasteful number, since it uses less digits than its factorization.

324140423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36576.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 324140423 is about 18003.9002163420. The cubic root of 324140423 is about 686.9277560204.

Adding to 324140423 its reverse (324041423), we get a palindrome (648181846).

The spelling of 324140423 in words is "three hundred twenty-four million, one hundred forty thousand, four hundred twenty-three".