918945323 has 4 divisors (see below), whose sum is σ = 936283968. Its totient is φ = 901606680.

The previous prime is 918945299. The next prime is 918945329. The reversal of 918945323 is 323549819.

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 918945323 - 2²⁰ = 917896747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (918945329) 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, 8669243 + ... + 8669348.

It is an arithmetic number, because the mean of its divisors is an integer number (234070992).

Almost surely, 2^918945323 is an apocalyptic number.

918945323 is a deficient number, since it is larger than the sum of its proper divisors (17338645).

918945323 is a wasteful number, since it uses less digits than its factorization.

918945323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17338644.

The product of its digits is 233280, while the sum is 44.

The square root of 918945323 is about 30314.1109551311. The cubic root of 918945323 is about 972.2170293743.

The spelling of 918945323 in words is "nine hundred eighteen million, nine hundred forty-five thousand, three hundred twenty-three".