630260623 has 4 divisors (see below), whose sum is σ = 630913360. Its totient is φ = 629607888.

The previous prime is 630260621. The next prime is 630260629. The reversal of 630260623 is 326062036.

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

It is a cyclic number.

It is not a de Polignac number, because 630260623 - 2¹ = 630260621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 630260591 and 630260600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630260621) 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, 324918 + ... + 326851.

It is an arithmetic number, because the mean of its divisors is an integer number (157728340).

Almost surely, 2^630260623 is an apocalyptic number.

630260623 is a deficient number, since it is larger than the sum of its proper divisors (652737).

630260623 is an equidigital number, since it uses as much as digits as its factorization.

630260623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652736.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 630260623 is about 25104.9919936255. The cubic root of 630260623 is about 857.3800847198.

The spelling of 630260623 in words is "six hundred thirty million, two hundred sixty thousand, six hundred twenty-three".