4044220123 has 4 divisors (see below), whose sum is σ = 4044379248. Its totient is φ = 4044061000.

The previous prime is 4044220121. The next prime is 4044220163. The reversal of 4044220123 is 3210224404.

It is a happy number.

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 4044220123 - 2¹ = 4044220121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4044220094 and 4044220103.

It is not an unprimeable number, because it can be changed into a prime (4044220121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31936 + ... + 95437.

It is an arithmetic number, because the mean of its divisors is an integer number (1011094812).

Almost surely, 2^4044220123 is an apocalyptic number.

4044220123 is a deficient number, since it is larger than the sum of its proper divisors (159125).

4044220123 is a wasteful number, since it uses less digits than its factorization.

4044220123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159124.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 4044220123 is about 63594.1830909086. The cubic root of 4044220123 is about 1593.2292167406.

Adding to 4044220123 its reverse (3210224404), we get a palindrome (7254444527).

The spelling of 4044220123 in words is "four billion, forty-four million, two hundred twenty thousand, one hundred twenty-three".