923143606846529 has 2 divisors, whose sum is σ = 923143606846530. Its totient is φ = 923143606846528.

The previous prime is 923143606846453. The next prime is 923143606846537. The reversal of 923143606846529 is 925648606341329.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 806322593472400 + 116821013374129 = 28395820^2 + 10808377^2 .

It is a cyclic number.

It is not a de Polignac number, because 923143606846529 - 2¹² = 923143606842433 is a prime.

It is not a weakly prime, because it can be changed into another prime (923143606846129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461571803423264 + 461571803423265.

It is an arithmetic number, because the mean of its divisors is an integer number (461571803423265).

Almost surely, 2^{923143606846529} is an apocalyptic number.

It is an amenable number.

923143606846529 is a deficient number, since it is larger than the sum of its proper divisors (1).

923143606846529 is an equidigital number, since it uses as much as digits as its factorization.

923143606846529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 403107840, while the sum is 68.

The spelling of 923143606846529 in words is "nine hundred twenty-three trillion, one hundred forty-three billion, six hundred six million, eight hundred forty-six thousand, five hundred twenty-nine".