40684323 has 8 divisors (see below), whose sum is σ = 54673408. Its totient is φ = 26909064.

The previous prime is 40684313. The next prime is 40684331. The reversal of 40684323 is 32348604.

40684323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 40684323 - 2²² = 36490019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40684313) 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 7 ways as a sum of consecutive naturals, for example, 53011 + ... + 53772.

It is an arithmetic number, because the mean of its divisors is an integer number (6834176).

Almost surely, 2^40684323 is an apocalyptic number.

40684323 is a deficient number, since it is larger than the sum of its proper divisors (13989085).

40684323 is a wasteful number, since it uses less digits than its factorization.

40684323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106913.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 40684323 is about 6378.4263733307. The cubic root of 40684323 is about 343.9344650487.

The spelling of 40684323 in words is "forty million, six hundred eighty-four thousand, three hundred twenty-three".