201444200323 has 4 divisors (see below), whose sum is σ = 202557151888. Its totient is φ = 200331248760.

The previous prime is 201444200219. The next prime is 201444200383. The reversal of 201444200323 is 323002444102.

It is a happy number.

201444200323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201444200323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201444200383) 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 3 ways as a sum of consecutive naturals, for example, 556475511 + ... + 556475872.

It is an arithmetic number, because the mean of its divisors is an integer number (50639287972).

Almost surely, 2^201444200323 is an apocalyptic number.

201444200323 is a deficient number, since it is larger than the sum of its proper divisors (1112951565).

201444200323 is a wasteful number, since it uses less digits than its factorization.

201444200323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112951564.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 201444200323 its reverse (323002444102), we get a palindrome (524446644425).

The spelling of 201444200323 in words is "two hundred one billion, four hundred forty-four million, two hundred thousand, three hundred twenty-three".