201044441123 has 4 divisors (see below), whose sum is σ = 201100586688. Its totient is φ = 200988295560.

The previous prime is 201044441113. The next prime is 201044441161. The reversal of 201044441123 is 321144440102.

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 201044441123 - 2⁸ = 201044440867 is a prime.

It is a super-2 number, since 2×201044441123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201044441092 and 201044441101.

It is not an unprimeable number, because it can be changed into a prime (201044441113) 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, 28067411 + ... + 28074572.

It is an arithmetic number, because the mean of its divisors is an integer number (50275146672).

Almost surely, 2^201044441123 is an apocalyptic number.

201044441123 is a deficient number, since it is larger than the sum of its proper divisors (56145565).

201044441123 is an equidigital number, since it uses as much as digits as its factorization.

201044441123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56145564.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 201044441123 its reverse (321144440102), we get a palindrome (522188881225).

The spelling of 201044441123 in words is "two hundred one billion, forty-four million, four hundred forty-one thousand, one hundred twenty-three".