845755823 has 8 divisors (see below), whose sum is σ = 923380560. Its totient is φ = 768254080.

The previous prime is 845755819. The next prime is 845755843. The reversal of 845755823 is 328557548.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 845755823 - 2² = 845755819 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 (845755843) 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, 16058 + ... + 44151.

It is an arithmetic number, because the mean of its divisors is an integer number (115422570).

Almost surely, 2^845755823 is an apocalyptic number.

845755823 is a deficient number, since it is larger than the sum of its proper divisors (77624737).

845755823 is a wasteful number, since it uses less digits than its factorization.

845755823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61497.

The product of its digits is 1344000, while the sum is 47.

The square root of 845755823 is about 29081.8813524847. The cubic root of 845755823 is about 945.6889885068.

The spelling of 845755823 in words is "eight hundred forty-five million, seven hundred fifty-five thousand, eight hundred twenty-three".