440706923 has 2 divisors, whose sum is σ = 440706924. Its totient is φ = 440706922.

The previous prime is 440706911. The next prime is 440706949. The reversal of 440706923 is 329607044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 440706923 - 2⁶ = 440706859 is a prime.

It is not a weakly prime, because it can be changed into another prime (440706953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220353461 + 220353462.

It is an arithmetic number, because the mean of its divisors is an integer number (220353462).

Almost surely, 2^440706923 is an apocalyptic number.

440706923 is a deficient number, since it is larger than the sum of its proper divisors (1).

440706923 is an equidigital number, since it uses as much as digits as its factorization.

440706923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 440706923 is about 20993.0208164523. The cubic root of 440706923 is about 760.9976067102.

The spelling of 440706923 in words is "four hundred forty million, seven hundred six thousand, nine hundred twenty-three".