6368623 has 4 divisors (see below), whose sum is σ = 6394248. Its totient is φ = 6343000.

The previous prime is 6368617. The next prime is 6368627. The reversal of 6368623 is 3268636.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6368623 is a prime.

It is a super-2 number, since 2×6368623² = 81118717832258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6368627) 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 3 ways as a sum of consecutive naturals, for example, 12436 + ... + 12937.

It is an arithmetic number, because the mean of its divisors is an integer number (1598562).

Almost surely, 2^6368623 is an apocalyptic number.

6368623 is a deficient number, since it is larger than the sum of its proper divisors (25625).

6368623 is a wasteful number, since it uses less digits than its factorization.

6368623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25624.

The product of its digits is 31104, while the sum is 34.

The square root of 6368623 is about 2523.6130844486. The cubic root of 6368623 is about 185.3596412832.

It can be divided in two parts, 63 and 68623, that added together give a palindrome (68686).

The spelling of 6368623 in words is "six million, three hundred sixty-eight thousand, six hundred twenty-three".