63423659 has 8 divisors (see below), whose sum is σ = 68539632. Its totient is φ = 58341600.

The previous prime is 63423637. The next prime is 63423697. The reversal of 63423659 is 95632436.

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 63423659 - 2⁸ = 63423403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63423629) 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, 4517 + ... + 12134.

It is an arithmetic number, because the mean of its divisors is an integer number (8567454).

Almost surely, 2^63423659 is an apocalyptic number.

63423659 is a deficient number, since it is larger than the sum of its proper divisors (5115973).

63423659 is a wasteful number, since it uses less digits than its factorization.

63423659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16957.

The product of its digits is 116640, while the sum is 38.

The square root of 63423659 is about 7963.8972243494. The cubic root of 63423659 is about 398.7956671786.

It can be divided in two parts, 6342 and 3659, that added together give a palindrome (10001).

The spelling of 63423659 in words is "sixty-three million, four hundred twenty-three thousand, six hundred fifty-nine".