523163134505117 has 2 divisors, whose sum is σ = 523163134505118. Its totient is φ = 523163134505116.

The previous prime is 523163134505069. The next prime is 523163134505161. The reversal of 523163134505117 is 711505431361325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 312856464687001 + 210306669818116 = 17687749^2 + 14501954^2 .

It is a cyclic number.

It is not a de Polignac number, because 523163134505117 - 2¹⁶ = 523163134439581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523163134805117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261581567252558 + 261581567252559.

It is an arithmetic number, because the mean of its divisors is an integer number (261581567252559).

Almost surely, 2^{523163134505117} is an apocalyptic number.

It is an amenable number.

523163134505117 is a deficient number, since it is larger than the sum of its proper divisors (1).

523163134505117 is an equidigital number, since it uses as much as digits as its factorization.

523163134505117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134000, while the sum is 47.

The spelling of 523163134505117 in words is "five hundred twenty-three trillion, one hundred sixty-three billion, one hundred thirty-four million, five hundred five thousand, one hundred seventeen".