440022023 has 4 divisors (see below), whose sum is σ = 502882320. Its totient is φ = 377161728.

The previous prime is 440021957. The next prime is 440022047. The reversal of 440022023 is 320220044.

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 440022023 - 2⁸ = 440021767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 440021992 and 440022010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440042023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31430138 + ... + 31430151.

It is an arithmetic number, because the mean of its divisors is an integer number (125720580).

Almost surely, 2^440022023 is an apocalyptic number.

440022023 is a deficient number, since it is larger than the sum of its proper divisors (62860297).

440022023 is an equidigital number, since it uses as much as digits as its factorization.

440022023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62860296.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 440022023 is about 20976.7019094995. The cubic root of 440022023 is about 760.6031817015.

Adding to 440022023 its reverse (320220044), we get a palindrome (760242067).

The spelling of 440022023 in words is "four hundred forty million, twenty-two thousand, twenty-three".