201442300223 has 4 divisors (see below), whose sum is σ = 201443726568. Its totient is φ = 201440873880.

The previous prime is 201442300183. The next prime is 201442300231. The reversal of 201442300223 is 322003244102.

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 201442300223 - 2²² = 201438105919 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 (201442306223) 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 3 ways as a sum of consecutive naturals, for example, 474761 + ... + 792642.

It is an arithmetic number, because the mean of its divisors is an integer number (50360931642).

Almost surely, 2^201442300223 is an apocalyptic number.

201442300223 is a deficient number, since it is larger than the sum of its proper divisors (1426345).

201442300223 is a wasteful number, since it uses less digits than its factorization.

201442300223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426344.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 201442300223 its reverse (322003244102), we get a palindrome (523445544325).

The spelling of 201442300223 in words is "two hundred one billion, four hundred forty-two million, three hundred thousand, two hundred twenty-three".