845081323 has 4 divisors (see below), whose sum is σ = 845165248. Its totient is φ = 844997400.

The previous prime is 845081269. The next prime is 845081353. The reversal of 845081323 is 323180548.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 845081323 - 2²¹ = 842984171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (845081353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24411 + ... + 47812.

It is an arithmetic number, because the mean of its divisors is an integer number (211291312).

Almost surely, 2^845081323 is an apocalyptic number.

845081323 is a deficient number, since it is larger than the sum of its proper divisors (83925).

845081323 is a wasteful number, since it uses less digits than its factorization.

845081323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83924.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 845081323 is about 29070.2824719678. The cubic root of 845081323 is about 945.4375223628.

The spelling of 845081323 in words is "eight hundred forty-five million, eighty-one thousand, three hundred twenty-three".