201044220423 has 24 divisors (see below), whose sum is σ = 284471192304. Its totient is φ = 126200315520.

The previous prime is 201044220407. The next prime is 201044220451. The reversal of 201044220423 is 324022440102.

It is not a de Polignac number, because 201044220423 - 2⁴ = 201044220407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201044220393 and 201044220402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201044220023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 835686 + ... + 1049027.

It is an arithmetic number, because the mean of its divisors is an integer number (11852966346).

Almost surely, 2^201044220423 is an apocalyptic number.

201044220423 is a deficient number, since it is larger than the sum of its proper divisors (83426971881).

201044220423 is a wasteful number, since it uses less digits than its factorization.

201044220423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1884815 (or 1884784 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 201044220423 its reverse (324022440102), we get a palindrome (525066660525).

The spelling of 201044220423 in words is "two hundred one billion, forty-four million, two hundred twenty thousand, four hundred twenty-three".