440043230023 has 8 divisors (see below), whose sum is σ = 447276638336. Its totient is φ = 432810453600.

The previous prime is 440043229979. The next prime is 440043230041. The reversal of 440043230023 is 320032340044.

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 440043230023 - 2²¹ = 440041132871 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 440043230023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440043230423) 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, 1366090 + ... + 1657192.

It is an arithmetic number, because the mean of its divisors is an integer number (55909579792).

Almost surely, 2^440043230023 is an apocalyptic number.

440043230023 is a deficient number, since it is larger than the sum of its proper divisors (7233408313).

440043230023 is a wasteful number, since it uses less digits than its factorization.

440043230023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315945.

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 440043230023 its reverse (320032340044), we get a palindrome (760075570067).

The spelling of 440043230023 in words is "four hundred forty billion, forty-three million, two hundred thirty thousand, twenty-three".