423608687 has 8 divisors (see below), whose sum is σ = 442312704. Its totient is φ = 404928568.

The previous prime is 423608683. The next prime is 423608719. The reversal of 423608687 is 786806324.

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

It is a cyclic number.

It is not a de Polignac number, because 423608687 - 2² = 423608683 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 (423608681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36878 + ... + 46980.

It is an arithmetic number, because the mean of its divisors is an integer number (55289088).

Almost surely, 2^423608687 is an apocalyptic number.

423608687 is a deficient number, since it is larger than the sum of its proper divisors (18704017).

423608687 is a wasteful number, since it uses less digits than its factorization.

423608687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11949.

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 423608687 is about 20581.7561689959. The cubic root of 423608687 is about 751.0259659592.

The spelling of 423608687 in words is "four hundred twenty-three million, six hundred eight thousand, six hundred eighty-seven".