201443422003 has 16 divisors (see below), whose sum is σ = 213986157696. Its totient is φ = 188978682880.

The previous prime is 201443421983. The next prime is 201443422009. The reversal of 201443422003 is 300224344102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 201443422003 - 2¹³ = 201443413811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201443422009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6831750 + ... + 6861172.

It is an arithmetic number, because the mean of its divisors is an integer number (13374134856).

Almost surely, 2^201443422003 is an apocalyptic number.

201443422003 is a deficient number, since it is larger than the sum of its proper divisors (12542735693).

201443422003 is a wasteful number, since it uses less digits than its factorization.

201443422003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30734.

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

Adding to 201443422003 its reverse (300224344102), we get a palindrome (501667766105).

The spelling of 201443422003 in words is "two hundred one billion, four hundred forty-three million, four hundred twenty-two thousand, three".