845383223 has 4 divisors (see below), whose sum is σ = 866002368. Its totient is φ = 824764080.

The previous prime is 845383213. The next prime is 845383229. The reversal of 845383223 is 322383548.

845383223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 845383223 - 2⁶ = 845383159 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 (845383229) 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, 10309511 + ... + 10309592.

It is an arithmetic number, because the mean of its divisors is an integer number (216500592).

Almost surely, 2^845383223 is an apocalyptic number.

845383223 is a deficient number, since it is larger than the sum of its proper divisors (20619145).

845383223 is a wasteful number, since it uses less digits than its factorization.

845383223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20619144.

The product of its digits is 138240, while the sum is 38.

The square root of 845383223 is about 29075.4745962985. The cubic root of 845383223 is about 945.5500928330.

The spelling of 845383223 in words is "eight hundred forty-five million, three hundred eighty-three thousand, two hundred twenty-three".