63123028 has 12 divisors (see below), whose sum is σ = 110621140. Its totient is φ = 31516992.

The previous prime is 63123019. The next prime is 63123089. The reversal of 63123028 is 82032136.

63123028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 39967684 + 23155344 = 6322^2 + 4812^2 .

It is a junction number, because it is equal to n+sod(n) for n = 63122993 and 63123011.

It is a congruent number.

It is an unprimeable number.

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, 7833 + ... + 13696.

Almost surely, 2^63123028 is an apocalyptic number.

It is an amenable number.

63123028 is a deficient number, since it is larger than the sum of its proper divisors (47498112).

63123028 is a wasteful number, since it uses less digits than its factorization.

63123028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22266 (or 22264 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 63123028 is about 7945.0001887980. Note that the first 3 decimals coincide. The cubic root of 63123028 is about 398.1645658353.

The spelling of 63123028 in words is "sixty-three million, one hundred twenty-three thousand, twenty-eight".