523420012 has 12 divisors (see below), whose sum is σ = 935474400. Its totient is φ = 256141616.

The previous prime is 523420003. The next prime is 523420049. The reversal of 523420012 is 210024325.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1391887 + ... + 1392262.

It is an arithmetic number, because the mean of its divisors is an integer number (77956200).

Almost surely, 2^523420012 is an apocalyptic number.

It is an amenable number.

523420012 is a deficient number, since it is larger than the sum of its proper divisors (412054388).

523420012 is a wasteful number, since it uses less digits than its factorization.

523420012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2784200 (or 2784198 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 523420012 is about 22878.3743303584. The cubic root of 523420012 is about 805.9042406456.

Adding to 523420012 its reverse (210024325), we get a palindrome (733444337).

The spelling of 523420012 in words is "five hundred twenty-three million, four hundred twenty thousand, twelve".