423663501 has 8 divisors (see below), whose sum is σ = 594615520. Its totient is φ = 267576912.

The previous prime is 423663481. The next prime is 423663517. The reversal of 423663501 is 105366324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 423663501 - 2⁶ = 423663437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423663551) 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 7 ways as a sum of consecutive naturals, for example, 3716290 + ... + 3716403.

It is an arithmetic number, because the mean of its divisors is an integer number (74326940).

Almost surely, 2^423663501 is an apocalyptic number.

It is an amenable number.

423663501 is a deficient number, since it is larger than the sum of its proper divisors (170952019).

423663501 is a wasteful number, since it uses less digits than its factorization.

423663501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7432715.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 423663501 is about 20583.0877421246. The cubic root of 423663501 is about 751.0583582457.

The spelling of 423663501 in words is "four hundred twenty-three million, six hundred sixty-three thousand, five hundred one".