423502005 has 32 divisors (see below), whose sum is σ = 704037888. Its totient is φ = 217152000.

The previous prime is 423501979. The next prime is 423502021. The reversal of 423502005 is 500205324.

It is not a de Polignac number, because 423502005 - 2⁵ = 423501973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70105 + ... + 75905.

It is an arithmetic number, because the mean of its divisors is an integer number (22001184).

Almost surely, 2^423502005 is an apocalyptic number.

It is an amenable number.

423502005 is a deficient number, since it is larger than the sum of its proper divisors (280535883).

423502005 is a wasteful number, since it uses less digits than its factorization.

423502005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5997.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 423502005 is about 20579.1643416345. The cubic root of 423502005 is about 750.9629143101.

Adding to 423502005 its reverse (500205324), we get a palindrome (923707329).

The spelling of 423502005 in words is "four hundred twenty-three million, five hundred two thousand, five".