243244213023 has 16 divisors (see below), whose sum is σ = 392461251840. Its totient is φ = 130820416896.

The previous prime is 243244212997. The next prime is 243244213031. The reversal of 243244213023 is 320312442342.

243244213023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 243244213023 - 2¹⁸ = 243243950879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243244213033) 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 15 ways as a sum of consecutive naturals, for example, 340677813 + ... + 340678526.

It is an arithmetic number, because the mean of its divisors is an integer number (24528828240).

Almost surely, 2^243244213023 is an apocalyptic number.

243244213023 is a deficient number, since it is larger than the sum of its proper divisors (149217038817).

243244213023 is a wasteful number, since it uses less digits than its factorization.

243244213023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681356366.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 243244213023 its reverse (320312442342), we get a palindrome (563556655365).

The spelling of 243244213023 in words is "two hundred forty-three billion, two hundred forty-four million, two hundred thirteen thousand, twenty-three".