4400421023 has 8 divisors (see below), whose sum is σ = 4431596400. Its totient is φ = 4369267840.

The previous prime is 4400421017. The next prime is 4400421059. The reversal of 4400421023 is 3201240044.

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 4400421023 - 2¹⁰ = 4400419999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4400420986 and 4400421004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4400421073) 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, 714668 + ... + 720798.

It is an arithmetic number, because the mean of its divisors is an integer number (553949550).

Almost surely, 2^4400421023 is an apocalyptic number.

4400421023 is a deficient number, since it is larger than the sum of its proper divisors (31175377).

4400421023 is a wasteful number, since it uses less digits than its factorization.

4400421023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11097.

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

The square root of 4400421023 is about 66335.6693114647. The cubic root of 4400421023 is about 1638.6948051554.

Adding to 4400421023 its reverse (3201240044), we get a palindrome (7601661067).

The spelling of 4400421023 in words is "four billion, four hundred million, four hundred twenty-one thousand, twenty-three".