844802423 has 8 divisors (see below), whose sum is σ = 851401488. Its totient is φ = 838223424.

The previous prime is 844802419. The next prime is 844802449. The reversal of 844802423 is 324208448.

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 844802423 - 2² = 844802419 is a prime.

It is a super-2 number, since 2×844802423² = 1427382267813341858, which 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 (844802473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85811 + ... + 95147.

It is an arithmetic number, because the mean of its divisors is an integer number (106425186).

Almost surely, 2^844802423 is an apocalyptic number.

844802423 is a deficient number, since it is larger than the sum of its proper divisors (6599065).

844802423 is a wasteful number, since it uses less digits than its factorization.

844802423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10033.

The product of its (nonzero) digits is 49152, while the sum is 35.

The square root of 844802423 is about 29065.4850811061. The cubic root of 844802423 is about 945.3335041535. Note that the first 3 decimals are identical.

The spelling of 844802423 in words is "eight hundred forty-four million, eight hundred two thousand, four hundred twenty-three".