523105312 has 24 divisors (see below), whose sum is σ = 1031264892. Its totient is φ = 261196800.

The previous prime is 523105309. The next prime is 523105327. The reversal of 523105312 is 213501325.

It can be written as a sum of positive squares in 2 ways, for example, as 490888336 + 32216976 = 22156^2 + 5676^2 .

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, 13612 + ... + 35092.

Almost surely, 2^523105312 is an apocalyptic number.

It is an amenable number.

523105312 is a deficient number, since it is larger than the sum of its proper divisors (508159580).

523105312 is a wasteful number, since it uses less digits than its factorization.

523105312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22252 (or 22244 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 523105312 is about 22871.4956222806. The cubic root of 523105312 is about 805.7426948481.

Adding to 523105312 its reverse (213501325), we get a palindrome (736606637).

The spelling of 523105312 in words is "five hundred twenty-three million, one hundred five thousand, three hundred twelve".