201442244223 has 32 divisors (see below), whose sum is σ = 301066025472. Its totient is φ = 118731312000.

The previous prime is 201442244203. The next prime is 201442244231. The reversal of 201442244223 is 322442244102.

It is a happy number.

It is not a de Polignac number, because 201442244223 - 2⁸ = 201442243967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201442244203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2664798 + ... + 2739348.

It is an arithmetic number, because the mean of its divisors is an integer number (9408313296).

Almost surely, 2^201442244223 is an apocalyptic number.

201442244223 is a deficient number, since it is larger than the sum of its proper divisors (99623781249).

201442244223 is a wasteful number, since it uses less digits than its factorization.

201442244223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76815.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 201442244223 its reverse (322442244102), we get a palindrome (523884488325).

The spelling of 201442244223 in words is "two hundred one billion, four hundred forty-two million, two hundred forty-four thousand, two hundred twenty-three".