20044423423103 has 8 divisors (see below), whose sum is σ = 20252336231808. Its totient is φ = 19836891758104.

The previous prime is 20044423423099. The next prime is 20044423423187. The reversal of 20044423423103 is 30132432444002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20044423423103 - 2² = 20044423423099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20044423423103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20044423423303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95180201 + ... + 95390562.

It is an arithmetic number, because the mean of its divisors is an integer number (2531542028976).

Almost surely, 2^{20044423423103} is an apocalyptic number.

20044423423103 is a deficient number, since it is larger than the sum of its proper divisors (207912808705).

20044423423103 is a wasteful number, since it uses less digits than its factorization.

20044423423103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190571853.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 20044423423103 its reverse (30132432444002), we get a palindrome (50176855867105).

The spelling of 20044423423103 in words is "twenty trillion, forty-four billion, four hundred twenty-three million, four hundred twenty-three thousand, one hundred three".