201443321243 has 8 divisors (see below), whose sum is σ = 212777342976. Its totient is φ = 190411540200.

The previous prime is 201443321239. The next prime is 201443321249. The reversal of 201443321243 is 342123344102.

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 201443321243 - 2² = 201443321239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201443321249) 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 7 ways as a sum of consecutive naturals, for example, 75558803 + ... + 75561468.

It is an arithmetic number, because the mean of its divisors is an integer number (26597167872).

Almost surely, 2^201443321243 is an apocalyptic number.

201443321243 is a deficient number, since it is larger than the sum of its proper divisors (11334021733).

201443321243 is a wasteful number, since it uses less digits than its factorization.

201443321243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151120345.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 201443321243 its reverse (342123344102), we get a palindrome (543566665345).

The spelling of 201443321243 in words is "two hundred one billion, four hundred forty-three million, three hundred twenty-one thousand, two hundred forty-three".