440004143423 has 8 divisors (see below), whose sum is σ = 473939310768. Its totient is φ = 406081646784.

The previous prime is 440004143351. The next prime is 440004143429. The reversal of 440004143423 is 324341400044.

It is a happy number.

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 440004143423 - 2¹⁰ = 440004142399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440004143429) 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, 3095486 + ... + 3234507.

It is an arithmetic number, because the mean of its divisors is an integer number (59242413846).

Almost surely, 2^440004143423 is an apocalyptic number.

440004143423 is a deficient number, since it is larger than the sum of its proper divisors (33935167345).

440004143423 is a wasteful number, since it uses less digits than its factorization.

440004143423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6335353.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 440004143423 its reverse (324341400044), we get a palindrome (764345543467).

The spelling of 440004143423 in words is "four hundred forty billion, four million, one hundred forty-three thousand, four hundred twenty-three".