243122223443 has 24 divisors (see below), whose sum is σ = 280262813616. Its totient is φ = 209129716800.

The previous prime is 243122223433. The next prime is 243122223451. The reversal of 243122223443 is 344322221342.

It is not a de Polignac number, because 243122223443 - 2¹⁶ = 243122157907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243122223433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3222905 + ... + 3297477.

It is an arithmetic number, because the mean of its divisors is an integer number (11677617234).

Almost surely, 2^243122223443 is an apocalyptic number.

243122223443 is a deficient number, since it is larger than the sum of its proper divisors (37140590173).

243122223443 is a wasteful number, since it uses less digits than its factorization.

243122223443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75443 (or 75424 counting only the distinct ones).

The product of its digits is 55296, while the sum is 32.

Adding to 243122223443 its reverse (344322221342), we get a palindrome (587444444785).

The spelling of 243122223443 in words is "two hundred forty-three billion, one hundred twenty-two million, two hundred twenty-three thousand, four hundred forty-three".