4004421023 has 8 divisors (see below), whose sum is σ = 4035225600. Its totient is φ = 3973698040.

The previous prime is 4004421017. The next prime is 4004421097. The reversal of 4004421023 is 3201244004.

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 4004421023 - 2²² = 4000226719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4004420986 and 4004421004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4004421523) 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, 80018 + ... + 120048.

It is an arithmetic number, because the mean of its divisors is an integer number (504403200).

Almost surely, 2^4004421023 is an apocalyptic number.

4004421023 is a deficient number, since it is larger than the sum of its proper divisors (30804577).

4004421023 is a wasteful number, since it uses less digits than its factorization.

4004421023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40797.

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

The square root of 4004421023 is about 63280.4948068518. The cubic root of 4004421023 is about 1587.9856646856.

Adding to 4004421023 its reverse (3201244004), we get a palindrome (7205665027).

The spelling of 4004421023 in words is "four billion, four million, four hundred twenty-one thousand, twenty-three".