523428630 has 16 divisors (see below), whose sum is σ = 1256228784. Its totient is φ = 139580960.

The previous prime is 523428629. The next prime is 523428671. The reversal of 523428630 is 36824325.

It is a happy number.

523428630 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 523428591 and 523428600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8723781 + ... + 8723840.

It is an arithmetic number, because the mean of its divisors is an integer number (78514299).

Almost surely, 2^523428630 is an apocalyptic number.

523428630 is an abundant number, since it is smaller than the sum of its proper divisors (732800154).

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

523428630 is a wasteful number, since it uses less digits than its factorization.

523428630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17447631.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 523428630 is about 22878.5626733849. The cubic root of 523428630 is about 805.9086636357.

The spelling of 523428630 in words is "five hundred twenty-three million, four hundred twenty-eight thousand, six hundred thirty".