243323143341 has 4 divisors (see below), whose sum is σ = 324430857792. Its totient is φ = 162215428892.

The previous prime is 243323143339. The next prime is 243323143361. The reversal of 243323143341 is 143341323342.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 243323143341 - 2¹ = 243323143339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243323143361) 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, 40553857221 + ... + 40553857226.

It is an arithmetic number, because the mean of its divisors is an integer number (81107714448).

Almost surely, 2^243323143341 is an apocalyptic number.

It is an amenable number.

243323143341 is a deficient number, since it is larger than the sum of its proper divisors (81107714451).

243323143341 is an equidigital number, since it uses as much as digits as its factorization.

243323143341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81107714450.

The product of its digits is 62208, while the sum is 33.

Adding to 243323143341 its reverse (143341323342), we get a palindrome (386664466683).

The spelling of 243323143341 in words is "two hundred forty-three billion, three hundred twenty-three million, one hundred forty-three thousand, three hundred forty-one".