243223323243 has 8 divisors (see below), whose sum is σ = 334758982656. Its totient is φ = 156918273000.

The previous prime is 243223323223. The next prime is 243223323269. The reversal of 243223323243 is 342323322342.

It is a happy number.

243223323243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 243223323243 - 2¹⁷ = 243223192171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243223323223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1307652183 + ... + 1307652368.

It is an arithmetic number, because the mean of its divisors is an integer number (41844872832).

Almost surely, 2^243223323243 is an apocalyptic number.

243223323243 is a deficient number, since it is larger than the sum of its proper divisors (91535659413).

243223323243 is a wasteful number, since it uses less digits than its factorization.

243223323243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615304585.

The product of its digits is 124416, while the sum is 33.

Adding to 243223323243 its reverse (342323322342), we get a palindrome (585546645585).

Subtracting 243223323243 from its reverse (342323322342), we obtain a palindrome (99099999099).

The spelling of 243223323243 in words is "two hundred forty-three billion, two hundred twenty-three million, three hundred twenty-three thousand, two hundred forty-three".