523111012 has 12 divisors (see below), whose sum is σ = 969294060. Its totient is φ = 246169856.

The previous prime is 523110979. The next prime is 523111033. The reversal of 523111012 is 210111325.

It can be written as a sum of positive squares in 2 ways, for example, as 283046976 + 240064036 = 16824^2 + 15494^2 .

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, 3846337 + ... + 3846472.

It is an arithmetic number, because the mean of its divisors is an integer number (80774505).

Almost surely, 2^523111012 is an apocalyptic number.

It is an amenable number.

523111012 is a deficient number, since it is larger than the sum of its proper divisors (446183048).

523111012 is a wasteful number, since it uses less digits than its factorization.

523111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7692830 (or 7692828 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 523111012 is about 22871.6202311948. The cubic root of 523111012 is about 805.7456214205.

Adding to 523111012 its reverse (210111325), we get a palindrome (733222337).

The spelling of 523111012 in words is "five hundred twenty-three million, one hundred eleven thousand, twelve".