243040230011 has 4 divisors (see below), whose sum is σ = 245446569024. Its totient is φ = 240633891000.

The previous prime is 243040229959. The next prime is 243040230137. The reversal of 243040230011 is 110032040342.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 243040230011 - 2¹⁴ = 243040213627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243040230611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1203169355 + ... + 1203169556.

It is an arithmetic number, because the mean of its divisors is an integer number (61361642256).

Almost surely, 2^243040230011 is an apocalyptic number.

243040230011 is a deficient number, since it is larger than the sum of its proper divisors (2406339013).

243040230011 is a wasteful number, since it uses less digits than its factorization.

243040230011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2406339012.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 243040230011 its reverse (110032040342), we get a palindrome (353072270353).

The spelling of 243040230011 in words is "two hundred forty-three billion, forty million, two hundred thirty thousand, eleven".