523311213 has 8 divisors (see below), whose sum is σ = 704269728. Its totient is φ = 345613424.

The previous prime is 523311211. The next prime is 523311223. The reversal of 523311213 is 312113325.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 523311213 - 2¹ = 523311211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 523311213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523311211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 814806 + ... + 815447.

It is an arithmetic number, because the mean of its divisors is an integer number (88033716).

Almost surely, 2^523311213 is an apocalyptic number.

It is an amenable number.

523311213 is a deficient number, since it is larger than the sum of its proper divisors (180958515).

523311213 is a wasteful number, since it uses less digits than its factorization.

523311213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630363.

The product of its digits is 540, while the sum is 21.

The square root of 523311213 is about 22875.9964373139. The cubic root of 523311213 is about 805.8483978875.

Adding to 523311213 its reverse (312113325), we get a palindrome (835424538).

The spelling of 523311213 in words is "five hundred twenty-three million, three hundred eleven thousand, two hundred thirteen".