213002320523 has 2 divisors, whose sum is σ = 213002320524. Its totient is φ = 213002320522.

The previous prime is 213002320519. The next prime is 213002320541. The reversal of 213002320523 is 325023200312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213002320523 - 2² = 213002320519 is a prime.

It is not a weakly prime, because it can be changed into another prime (213002320513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106501160261 + 106501160262.

It is an arithmetic number, because the mean of its divisors is an integer number (106501160262).

Almost surely, 2^213002320523 is an apocalyptic number.

213002320523 is a deficient number, since it is larger than the sum of its proper divisors (1).

213002320523 is an equidigital number, since it uses as much as digits as its factorization.

213002320523 is an odious number, because the sum of its binary digits is odd.

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

Adding to 213002320523 its reverse (325023200312), we get a palindrome (538025520835).

The spelling of 213002320523 in words is "two hundred thirteen billion, two million, three hundred twenty thousand, five hundred twenty-three".