630123528 has 16 divisors (see below), whose sum is σ = 1575308880. Its totient is φ = 210041168.

The previous prime is 630123523. The next prime is 630123551. The reversal of 630123528 is 825321036.

It is a junction number, because it is equal to n+sod(n) for n = 630123495 and 630123504.

It is not an unprimeable number, because it can be changed into a prime (630123521) 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, 13127550 + ... + 13127597.

It is an arithmetic number, because the mean of its divisors is an integer number (98456805).

Almost surely, 2^630123528 is an apocalyptic number.

It is an amenable number.

630123528 is an abundant number, since it is smaller than the sum of its proper divisors (945185352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

630123528 is a wasteful number, since it uses less digits than its factorization.

630123528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26255156 (or 26255152 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 630123528 is about 25102.2614120720. The cubic root of 630123528 is about 857.3179141181.

The spelling of 630123528 in words is "six hundred thirty million, one hundred twenty-three thousand, five hundred twenty-eight".