818448023 has 2 divisors, whose sum is σ = 818448024. Its totient is φ = 818448022.

The previous prime is 818448013. The next prime is 818448049. The reversal of 818448023 is 320844818.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 818448023 - 2²⁰ = 817399447 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (818448013) 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, 409224011 + 409224012.

It is an arithmetic number, because the mean of its divisors is an integer number (409224012).

Almost surely, 2^818448023 is an apocalyptic number.

818448023 is a deficient number, since it is larger than the sum of its proper divisors (1).

818448023 is an equidigital number, since it uses as much as digits as its factorization.

818448023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 818448023 is about 28608.5305984072. The cubic root of 818448023 is about 935.3992872675.

The spelling of 818448023 in words is "eight hundred eighteen million, four hundred forty-eight thousand, twenty-three".