243235042241 has 8 divisors (see below), whose sum is σ = 245880561960. Its totient is φ = 240597050112.

The previous prime is 243235042189. The next prime is 243235042243. The reversal of 243235042241 is 142240532342.

It can be written as a sum of positive squares in 4 ways, for example, as 20243313841 + 222991728400 = 142279^2 + 472220^2 .

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 243235042241 - 2¹⁴ = 243235025857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243235042198 and 243235042207.

It is not an unprimeable number, because it can be changed into a prime (243235042243) 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 7 ways as a sum of consecutive naturals, for example, 1816910 + ... + 1946183.

It is an arithmetic number, because the mean of its divisors is an integer number (30735070245).

Almost surely, 2^243235042241 is an apocalyptic number.

It is an amenable number.

243235042241 is a deficient number, since it is larger than the sum of its proper divisors (2645519719).

243235042241 is a wasteful number, since it uses less digits than its factorization.

243235042241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3763795.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 243235042241 its reverse (142240532342), we get a palindrome (385475574583).

The spelling of 243235042241 in words is "two hundred forty-three billion, two hundred thirty-five million, forty-two thousand, two hundred forty-one".