201044243223 has 6 divisors (see below), whose sum is σ = 290397240224. Its totient is φ = 134029495476.

The previous prime is 201044243203. The next prime is 201044243299. The reversal of 201044243223 is 322342440102.

201044243223 is a `hidden beast` number, since 2 + 0 + 10 + 4 + 424 + 3 + 223 = 666.

It is not a de Polignac number, because 201044243223 - 2⁶ = 201044243159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201044243203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11169124615 + ... + 11169124632.

Almost surely, 2^201044243223 is an apocalyptic number.

201044243223 is a deficient number, since it is larger than the sum of its proper divisors (89352997001).

201044243223 is a wasteful number, since it uses less digits than its factorization.

201044243223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22338249253 (or 22338249250 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 201044243223 its reverse (322342440102), we get a palindrome (523386683325).

The spelling of 201044243223 in words is "two hundred one billion, forty-four million, two hundred forty-three thousand, two hundred twenty-three".