523148812 has 12 divisors (see below), whose sum is σ = 963695320. Its totient is φ = 247807296.

The previous prime is 523148741. The next prime is 523148819. The reversal of 523148812 is 218841325.

It is a happy number.

It is a super-2 number, since 2×523148812² = 547369358994022688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (523148819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3441693 + ... + 3441844.

Almost surely, 2^523148812 is an apocalyptic number.

It is an amenable number.

523148812 is a deficient number, since it is larger than the sum of its proper divisors (440546508).

523148812 is a wasteful number, since it uses less digits than its factorization.

523148812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6883560 (or 6883558 counting only the distinct ones).

The product of its digits is 15360, while the sum is 34.

The square root of 523148812 is about 22872.4465678685. The cubic root of 523148812 is about 805.7650286784.

The spelling of 523148812 in words is "five hundred twenty-three million, one hundred forty-eight thousand, eight hundred twelve".