213130523 has 8 divisors (see below), whose sum is σ = 217270320. Its totient is φ = 209011680.

The previous prime is 213130517. The next prime is 213130531. The reversal of 213130523 is 325031312.

213130523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 213130523 - 2¹² = 213126427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213130495 and 213130504.

It is not an unprimeable number, because it can be changed into a prime (213130573) 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, 16133 + ... + 26201.

It is an arithmetic number, because the mean of its divisors is an integer number (27158790).

Almost surely, 2^213130523 is an apocalyptic number.

213130523 is a deficient number, since it is larger than the sum of its proper divisors (4139797).

213130523 is a wasteful number, since it uses less digits than its factorization.

213130523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10477.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 213130523 is about 14598.9904787968. The cubic root of 213130523 is about 597.3312238415.

Adding to 213130523 its reverse (325031312), we get a palindrome (538161835).

The spelling of 213130523 in words is "two hundred thirteen million, one hundred thirty thousand, five hundred twenty-three".