523243342273 has 2 divisors, whose sum is σ = 523243342274. Its totient is φ = 523243342272.

The previous prime is 523243342229. The next prime is 523243342327. The reversal of 523243342273 is 372243342325.

Together with next prime (523243342327) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 488353585329 + 34889756944 = 698823^2 + 186788^2 .

It is a cyclic number.

It is not a de Polignac number, because 523243342273 - 2²⁹ = 522706471361 is a prime.

It is not a weakly prime, because it can be changed into another prime (523243349273) 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, 261621671136 + 261621671137.

It is an arithmetic number, because the mean of its divisors is an integer number (261621671137).

Almost surely, 2^523243342273 is an apocalyptic number.

It is an amenable number.

523243342273 is a deficient number, since it is larger than the sum of its proper divisors (1).

523243342273 is an equidigital number, since it uses as much as digits as its factorization.

523243342273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 40.

Adding to 523243342273 its reverse (372243342325), we get a palindrome (895486684598).

The spelling of 523243342273 in words is "five hundred twenty-three billion, two hundred forty-three million, three hundred forty-two thousand, two hundred seventy-three".