8442623 has 12 divisors (see below), whose sum is σ = 9927792. Its totient is φ = 7032960.

The previous prime is 8442607. The next prime is 8442641. The reversal of 8442623 is 3262448.

It is not a de Polignac number, because 8442623 - 2⁴ = 8442607 is a prime.

It is a d-powerful number, because it can be written as 8 + 4 + 4⁴ + 2¹⁵ + 6⁴ + 2²³ + 3⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8442653) 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 in 11 ways as a sum of consecutive naturals, for example, 9143 + ... + 10023.

It is an arithmetic number, because the mean of its divisors is an integer number (827316).

Almost surely, 2^8442623 is an apocalyptic number.

8442623 is a deficient number, since it is larger than the sum of its proper divisors (1485169).

8442623 is an equidigital number, since it uses as much as digits as its factorization.

8442623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962 (or 925 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

The square root of 8442623 is about 2905.6192111149. The cubic root of 8442623 is about 203.6225157571.

The spelling of 8442623 in words is "eight million, four hundred forty-two thousand, six hundred twenty-three".