243044220323 has 8 divisors (see below), whose sum is σ = 244680231936. Its totient is φ = 241408557000.

The previous prime is 243044220283. The next prime is 243044220347. The reversal of 243044220323 is 323022440342.

It is a happy number.

243044220323 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 a cyclic number.

It is not a de Polignac number, because 243044220323 - 2⁶ = 243044220259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243044220383) 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, 1398158 + ... + 1562348.

It is an arithmetic number, because the mean of its divisors is an integer number (30585028992).

Almost surely, 2^243044220323 is an apocalyptic number.

243044220323 is a deficient number, since it is larger than the sum of its proper divisors (1636011613).

243044220323 is a wasteful number, since it uses less digits than its factorization.

243044220323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174145.

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 243044220323 its reverse (323022440342), we get a palindrome (566066660665).

The spelling of 243044220323 in words is "two hundred forty-three billion, forty-four million, two hundred twenty thousand, three hundred twenty-three".