40866323 has 2 divisors, whose sum is σ = 40866324. Its totient is φ = 40866322.

The previous prime is 40866313. The next prime is 40866407. The reversal of 40866323 is 32366804.

40866323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40866323 - 2¹⁶ = 40800787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40866323.

It is not a weakly prime, because it can be changed into another prime (40866313) 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 as a sum of consecutive naturals, namely, 20433161 + 20433162.

It is an arithmetic number, because the mean of its divisors is an integer number (20433162).

Almost surely, 2^40866323 is an apocalyptic number.

40866323 is a deficient number, since it is larger than the sum of its proper divisors (1).

40866323 is an equidigital number, since it uses as much as digits as its factorization.

40866323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 40866323 is about 6392.6772951558. The cubic root of 40866323 is about 344.4465620828.

The spelling of 40866323 in words is "forty million, eight hundred sixty-six thousand, three hundred twenty-three".