923316840 has 64 divisors (see below), whose sum is σ = 3077726400. Its totient is φ = 246217536.

The previous prime is 923316839. The next prime is 923316847. The reversal of 923316840 is 48613329.

It is a super-3 number, since 3×923316840³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 923316795 and 923316804.

It is not an unprimeable number, because it can be changed into a prime (923316847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426382 + ... + 428541.

It is an arithmetic number, because the mean of its divisors is an integer number (48089475).

Almost surely, 2^923316840 is an apocalyptic number.

923316840 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

923316840 is an abundant number, since it is smaller than the sum of its proper divisors (2154409560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

923316840 is a wasteful number, since it uses less digits than its factorization.

923316840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854943 (or 854933 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 923316840 is about 30386.1290723251. The cubic root of 923316840 is about 973.7562365470.

The spelling of 923316840 in words is "nine hundred twenty-three million, three hundred sixteen thousand, eight hundred forty".