806040623 has 2 divisors, whose sum is σ = 806040624. Its totient is φ = 806040622.

The previous prime is 806040581. The next prime is 806040661. The reversal of 806040623 is 326040608.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 806040623 - 2²⁶ = 738931759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (806040673) 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, 403020311 + 403020312.

It is an arithmetic number, because the mean of its divisors is an integer number (403020312).

Almost surely, 2^806040623 is an apocalyptic number.

806040623 is a deficient number, since it is larger than the sum of its proper divisors (1).

806040623 is an equidigital number, since it uses as much as digits as its factorization.

806040623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 806040623 is about 28390.8545662155. The cubic root of 806040623 is about 930.6484178071.

The spelling of 806040623 in words is "eight hundred six million, forty thousand, six hundred twenty-three".