523143626341361 has 2 divisors, whose sum is σ = 523143626341362. Its totient is φ = 523143626341360.

The previous prime is 523143626341307. The next prime is 523143626341403. The reversal of 523143626341361 is 163143626341325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 326010794181361 + 197132832160000 = 18055769^2 + 14040400^2 .

It is a cyclic number.

It is not a de Polignac number, because 523143626341361 - 2⁴⁶ = 452774882163697 is a prime.

It is not a weakly prime, because it can be changed into another prime (523143626341561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261571813170680 + 261571813170681.

It is an arithmetic number, because the mean of its divisors is an integer number (261571813170681).

Almost surely, 2^{523143626341361} is an apocalyptic number.

It is an amenable number.

523143626341361 is a deficient number, since it is larger than the sum of its proper divisors (1).

523143626341361 is an equidigital number, since it uses as much as digits as its factorization.

523143626341361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5598720, while the sum is 50.

The spelling of 523143626341361 in words is "five hundred twenty-three trillion, one hundred forty-three billion, six hundred twenty-six million, three hundred forty-one thousand, three hundred sixty-one".