623314689 has 4 divisors (see below), whose sum is σ = 831086256. Its totient is φ = 415543124.

The previous prime is 623314669. The next prime is 623314717. The reversal of 623314689 is 986413326.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 623314689 - 2²⁵ = 589760257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 623314689.

It is not an unprimeable number, because it can be changed into a prime (623314619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103885779 + ... + 103885784.

It is an arithmetic number, because the mean of its divisors is an integer number (207771564).

Almost surely, 2^623314689 is an apocalyptic number.

It is an amenable number.

623314689 is a deficient number, since it is larger than the sum of its proper divisors (207771567).

623314689 is a wasteful number, since it uses less digits than its factorization.

623314689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207771566.

The product of its digits is 186624, while the sum is 42.

The square root of 623314689 is about 24966.2710271278. The cubic root of 623314689 is about 854.2187905509.

The spelling of 623314689 in words is "six hundred twenty-three million, three hundred fourteen thousand, six hundred eighty-nine".