523233012 has 12 divisors (see below), whose sum is σ = 1220877056. Its totient is φ = 174411000.

The previous prime is 523232951. The next prime is 523233017. The reversal of 523233012 is 210332325.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 523233012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523233017) 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, 21801364 + ... + 21801387.

Almost surely, 2^523233012 is an apocalyptic number.

It is an amenable number.

523233012 is an abundant number, since it is smaller than the sum of its proper divisors (697644044).

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

523233012 is a wasteful number, since it uses less digits than its factorization.

523233012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43602758 (or 43602756 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 523233012 is about 22874.2871364333. The cubic root of 523233012 is about 805.8082552418.

Adding to 523233012 its reverse (210332325), we get a palindrome (733565337).

The spelling of 523233012 in words is "five hundred twenty-three million, two hundred thirty-three thousand, twelve".