630416623 has 8 divisors (see below), whose sum is σ = 638805888. Its totient is φ = 622046424.

The previous prime is 630416621. The next prime is 630416659. The reversal of 630416623 is 326614036.

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 630416623 - 2¹ = 630416621 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 (630416621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69340 + ... + 77902.

It is an arithmetic number, because the mean of its divisors is an integer number (79850736).

Almost surely, 2^630416623 is an apocalyptic number.

630416623 is a deficient number, since it is larger than the sum of its proper divisors (8389265).

630416623 is an equidigital number, since it uses as much as digits as its factorization.

630416623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9533.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 630416623 is about 25108.0987531912. The cubic root of 630416623 is about 857.4508175006.

The spelling of 630416623 in words is "six hundred thirty million, four hundred sixteen thousand, six hundred twenty-three".