440214023 has 4 divisors (see below), whose sum is σ = 440328960. Its totient is φ = 440099088.

The previous prime is 440213993. The next prime is 440214029. The reversal of 440214023 is 320412044.

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 440214023 - 2¹⁰ = 440212999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 440213986 and 440214004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440214029) 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, 51518 + ... + 59451.

It is an arithmetic number, because the mean of its divisors is an integer number (110082240).

Almost surely, 2^440214023 is an apocalyptic number.

440214023 is a deficient number, since it is larger than the sum of its proper divisors (114937).

440214023 is a wasteful number, since it uses less digits than its factorization.

440214023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114936.

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

The square root of 440214023 is about 20981.2779162757. The cubic root of 440214023 is about 760.7137932678.

Adding to 440214023 its reverse (320412044), we get a palindrome (760626067).

The spelling of 440214023 in words is "four hundred forty million, two hundred fourteen thousand, twenty-three".