243234044121 has 16 divisors (see below), whose sum is σ = 325920672000. Its totient is φ = 161353694208.

The previous prime is 243234044117. The next prime is 243234044147. The reversal of 243234044121 is 121440432342.

243234044121 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 243234044121 - 2² = 243234044117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243234045121) 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, 248335 + ... + 740363.

It is an arithmetic number, because the mean of its divisors is an integer number (20370042000).

Almost surely, 2^243234044121 is an apocalyptic number.

It is an amenable number.

243234044121 is a deficient number, since it is larger than the sum of its proper divisors (82686627879).

243234044121 is a wasteful number, since it uses less digits than its factorization.

243234044121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492848.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 243234044121 its reverse (121440432342), we get a palindrome (364674476463).

The spelling of 243234044121 in words is "two hundred forty-three billion, two hundred thirty-four million, forty-four thousand, one hundred twenty-one".