243323323343 has 4 divisors (see below), whose sum is σ = 243324922488. Its totient is φ = 243321724200.

The previous prime is 243323323333. The next prime is 243323323351. The reversal of 243323323343 is 343323323342.

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 243323323343 - 2²⁴ = 243306546127 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 (243323323333) 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, 544133 + ... + 884718.

It is an arithmetic number, because the mean of its divisors is an integer number (60831230622).

Almost surely, 2^243323323343 is an apocalyptic number.

243323323343 is a deficient number, since it is larger than the sum of its proper divisors (1599145).

243323323343 is a wasteful number, since it uses less digits than its factorization.

243323323343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599144.

The product of its digits is 279936, while the sum is 35.

Adding to 243323323343 its reverse (343323323342), we get a palindrome (586646646685).

Subtracting 243323323343 from its reverse (343323323342), we obtain a palindrome (99999999999).

The spelling of 243323323343 in words is "two hundred forty-three billion, three hundred twenty-three million, three hundred twenty-three thousand, three hundred forty-three".