523143228909937 has 2 divisors, whose sum is σ = 523143228909938. Its totient is φ = 523143228909936.

The previous prime is 523143228909929. The next prime is 523143228909949. The reversal of 523143228909937 is 739909822341325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 522738763437361 + 404465472576 = 22863481^2 + 635976^2 .

It is a cyclic number.

It is not a de Polignac number, because 523143228909937 - 2³ = 523143228909929 is a prime.

It is not a weakly prime, because it can be changed into another prime (523143228900937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261571614454968 + 261571614454969.

It is an arithmetic number, because the mean of its divisors is an integer number (261571614454969).

Almost surely, 2^{523143228909937} is an apocalyptic number.

It is an amenable number.

523143228909937 is a deficient number, since it is larger than the sum of its proper divisors (1).

523143228909937 is an equidigital number, since it uses as much as digits as its factorization.

523143228909937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176359680, while the sum is 67.

The spelling of 523143228909937 in words is "five hundred twenty-three trillion, one hundred forty-three billion, two hundred twenty-eight million, nine hundred nine thousand, nine hundred thirty-seven".