201044443423 has 4 divisors (see below), whose sum is σ = 201048793048. Its totient is φ = 201040093800.

The previous prime is 201044443387. The next prime is 201044443429. The reversal of 201044443423 is 324344440102.

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 201044443423 - 2²⁹ = 200507572511 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 (201044443429) 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, 2104728 + ... + 2198173.

It is an arithmetic number, because the mean of its divisors is an integer number (50262198262).

Almost surely, 2^201044443423 is an apocalyptic number.

201044443423 is a deficient number, since it is larger than the sum of its proper divisors (4349625).

201044443423 is an equidigital number, since it uses as much as digits as its factorization.

201044443423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4349624.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 201044443423 its reverse (324344440102), we get a palindrome (525388883525).

The spelling of 201044443423 in words is "two hundred one billion, forty-four million, four hundred forty-three thousand, four hundred twenty-three".