2044220123 has 8 divisors (see below), whose sum is σ = 2272135536. Its totient is φ = 1823317600.

The previous prime is 2044220111. The next prime is 2044220147. The reversal of 2044220123 is 3210224402.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2044220123 is a prime.

It is a super-2 number, since 2×2044220123² = 8357671822556270258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2044220095 and 2044220104.

It is not an unprimeable number, because it can be changed into a prime (2044220923) 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, 1752608 + ... + 1753773.

It is an arithmetic number, because the mean of its divisors is an integer number (284016942).

Almost surely, 2^2044220123 is an apocalyptic number.

2044220123 is a deficient number, since it is larger than the sum of its proper divisors (227915413).

2044220123 is a wasteful number, since it uses less digits than its factorization.

2044220123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3506445.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2044220123 is about 45213.0525733443. The cubic root of 2044220123 is about 1269.1390868984.

Adding to 2044220123 its reverse (3210224402), we get a palindrome (5254444525).

The spelling of 2044220123 in words is "two billion, forty-four million, two hundred twenty thousand, one hundred twenty-three".