423589005 has 24 divisors (see below), whose sum is σ = 839110272. Its totient is φ = 193640544.

The previous prime is 423588967. The next prime is 423589013. The reversal of 423589005 is 500985324.

It is not a de Polignac number, because 423589005 - 2¹⁰ = 423587981 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 672049 + ... + 672678.

It is an arithmetic number, because the mean of its divisors is an integer number (34962928).

Almost surely, 2^423589005 is an apocalyptic number.

423589005 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

423589005 is a deficient number, since it is larger than the sum of its proper divisors (415521267).

423589005 is a wasteful number, since it uses less digits than its factorization.

423589005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344745 (or 1344742 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 423589005 is about 20581.2780215418. The cubic root of 423589005 is about 751.0143342164.

The spelling of 423589005 in words is "four hundred twenty-three million, five hundred eighty-nine thousand, five".