323243543423 has 4 divisors (see below), whose sum is σ = 326443974648. Its totient is φ = 320043112200.

The previous prime is 323243543351. The next prime is 323243543429. The reversal of 323243543423 is 324345342323.

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 323243543423 - 2⁸ = 323243543167 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 (323243543429) 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, 1600215461 + ... + 1600215662.

It is an arithmetic number, because the mean of its divisors is an integer number (81610993662).

Almost surely, 2^323243543423 is an apocalyptic number.

323243543423 is a deficient number, since it is larger than the sum of its proper divisors (3200431225).

323243543423 is a wasteful number, since it uses less digits than its factorization.

323243543423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200431224.

The product of its digits is 622080, while the sum is 38.

Adding to 323243543423 its reverse (324345342323), we get a palindrome (647588885746).

The spelling of 323243543423 in words is "three hundred twenty-three billion, two hundred forty-three million, five hundred forty-three thousand, four hundred twenty-three".