806544023 has 2 divisors, whose sum is σ = 806544024. Its totient is φ = 806544022.

The previous prime is 806543987. The next prime is 806544041. The reversal of 806544023 is 320445608.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 806544023 - 2²⁶ = 739435159 is a prime.

It is a super-2 number, since 2×806544023² = 1301026522074049058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (806534023) 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, 403272011 + 403272012.

It is an arithmetic number, because the mean of its divisors is an integer number (403272012).

Almost surely, 2^806544023 is an apocalyptic number.

806544023 is a deficient number, since it is larger than the sum of its proper divisors (1).

806544023 is an equidigital number, since it uses as much as digits as its factorization.

806544023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 806544023 is about 28399.7187133957. The cubic root of 806544023 is about 930.8421181016.

The spelling of 806544023 in words is "eight hundred six million, five hundred forty-four thousand, twenty-three".