523202013 has 24 divisors (see below), whose sum is σ = 801156096. Its totient is φ = 327888000.

The previous prime is 523202011. The next prime is 523202033. The reversal of 523202013 is 310202325.

It is not a de Polignac number, because 523202013 - 2¹ = 523202011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523202011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174618 + ... + 177588.

It is an arithmetic number, because the mean of its divisors is an integer number (33381504).

Almost surely, 2^523202013 is an apocalyptic number.

It is an amenable number.

523202013 is a deficient number, since it is larger than the sum of its proper divisors (277954083).

523202013 is a wasteful number, since it uses less digits than its factorization.

523202013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4145 (or 4142 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 523202013 is about 22873.6095315103. The cubic root of 523202013 is about 805.7923415266.

Adding to 523202013 its reverse (310202325), we get a palindrome (833404338).

The spelling of 523202013 in words is "five hundred twenty-three million, two hundred two thousand, thirteen".