440112135230023 has 4 divisors (see below), whose sum is σ = 440114319686728. Its totient is φ = 440109950773320.

The previous prime is 440112135230021. The next prime is 440112135230123. The reversal of 440112135230023 is 320032531211044.

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 440112135230023 - 2¹ = 440112135230021 is a prime.

It is a super-2 number, since 2×440112135230023² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440112135230021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1091926113 + ... + 1092329098.

It is an arithmetic number, because the mean of its divisors is an integer number (110028579921682).

Almost surely, 2^{440112135230023} is an apocalyptic number.

440112135230023 is a deficient number, since it is larger than the sum of its proper divisors (2184456705).

440112135230023 is a wasteful number, since it uses less digits than its factorization.

440112135230023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2184456704.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 440112135230023 its reverse (320032531211044), we get a palindrome (760144666441067).

The spelling of 440112135230023 in words is "four hundred forty trillion, one hundred twelve billion, one hundred thirty-five million, two hundred thirty thousand, twenty-three".