630675623 has 8 divisors (see below), whose sum is σ = 641956992. Its totient is φ = 619449336.

The previous prime is 630675593. The next prime is 630675631. The reversal of 630675623 is 326576036.

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 630675623 - 2⁶ = 630675559 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 (630675923) 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, 9686 + ... + 36812.

It is an arithmetic number, because the mean of its divisors is an integer number (80244624).

Almost surely, 2^630675623 is an apocalyptic number.

630675623 is a deficient number, since it is larger than the sum of its proper divisors (11281369).

630675623 is a wasteful number, since it uses less digits than its factorization.

630675623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27541.

The product of its (nonzero) digits is 136080, while the sum is 38.

The square root of 630675623 is about 25113.2559219230. The cubic root of 630675623 is about 857.5682262890.

The spelling of 630675623 in words is "six hundred thirty million, six hundred seventy-five thousand, six hundred twenty-three".