630053623 has 8 divisors (see below), whose sum is σ = 686084400. Its totient is φ = 576309888.

The previous prime is 630053617. The next prime is 630053657. The reversal of 630053623 is 326350036.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-630053623 is a prime.

It is a super-2 number, since 2×630053623² = 793935135710852258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 630053591 and 630053600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630053603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 571186 + ... + 572287.

It is an arithmetic number, because the mean of its divisors is an integer number (85760550).

Almost surely, 2^630053623 is an apocalyptic number.

630053623 is a deficient number, since it is larger than the sum of its proper divisors (56030777).

630053623 is a wasteful number, since it uses less digits than its factorization.

630053623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143521.

The product of its (nonzero) digits is 9720, while the sum is 28.

The square root of 630053623 is about 25100.8689690218. The cubic root of 630053623 is about 857.2862097393.

The spelling of 630053623 in words is "six hundred thirty million, fifty-three thousand, six hundred twenty-three".