844823423 has 4 divisors (see below), whose sum is σ = 845360040. Its totient is φ = 844286808.

The previous prime is 844823417. The next prime is 844823461. The reversal of 844823423 is 324328448.

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 844823423 - 2¹⁰ = 844822399 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 (844822423) 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, 265940 + ... + 269097.

It is an arithmetic number, because the mean of its divisors is an integer number (211340010).

Almost surely, 2^844823423 is an apocalyptic number.

844823423 is a deficient number, since it is larger than the sum of its proper divisors (536617).

844823423 is a wasteful number, since it uses less digits than its factorization.

844823423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536616.

The product of its digits is 147456, while the sum is 38.

The square root of 844823423 is about 29065.8463320785. The cubic root of 844823423 is about 945.3413370852.

The spelling of 844823423 in words is "eight hundred forty-four million, eight hundred twenty-three thousand, four hundred twenty-three".