423500005 has 16 divisors (see below), whose sum is σ = 540468720. Its totient is φ = 317463552.

The previous prime is 423499997. The next prime is 423500027. The reversal of 423500005 is 500005324.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 129823236 + 293676769 = 11394^2 + 17137^2 .

It is a cyclic number.

It is not a de Polignac number, because 423500005 - 2³ = 423499997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8587 + ... + 30343.

It is an arithmetic number, because the mean of its divisors is an integer number (33779295).

Almost surely, 2^423500005 is an apocalyptic number.

It is an amenable number.

423500005 is a deficient number, since it is larger than the sum of its proper divisors (116968715).

423500005 is a wasteful number, since it uses less digits than its factorization.

423500005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22008.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 423500005 is about 20579.1157487391. The cubic root of 423500005 is about 750.9617321605.

Adding to 423500005 its reverse (500005324), we get a palindrome (923505329).

The spelling of 423500005 in words is "four hundred twenty-three million, five hundred thousand, five".