523230413 has 2 divisors, whose sum is σ = 523230414. Its totient is φ = 523230412.

The previous prime is 523230371. The next prime is 523230419. The reversal of 523230413 is 314032325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 262504804 + 260725609 = 16202^2 + 16147^2 .

It is a cyclic number.

It is not a de Polignac number, because 523230413 - 2¹⁸ = 522968269 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523230419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261615206 + 261615207.

It is an arithmetic number, because the mean of its divisors is an integer number (261615207).

Almost surely, 2^523230413 is an apocalyptic number.

It is an amenable number.

523230413 is a deficient number, since it is larger than the sum of its proper divisors (1).

523230413 is an equidigital number, since it uses as much as digits as its factorization.

523230413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 523230413 is about 22874.2303258492. The cubic root of 523230413 is about 805.8069210375.

Adding to 523230413 its reverse (314032325), we get a palindrome (837262738).

The spelling of 523230413 in words is "five hundred twenty-three million, two hundred thirty thousand, four hundred thirteen".