523094663873 has 2 divisors, whose sum is σ = 523094663874. Its totient is φ = 523094663872.

The previous prime is 523094663851. The next prime is 523094663909. The reversal of 523094663873 is 378366490325.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 509013756304 + 14080907569 = 713452^2 + 118663^2 .

It is a cyclic number.

It is not a de Polignac number, because 523094663873 - 2³⁴ = 505914794689 is a prime.

It is not a weakly prime, because it can be changed into another prime (523094666873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261547331936 + 261547331937.

It is an arithmetic number, because the mean of its divisors is an integer number (261547331937).

Almost surely, 2^523094663873 is an apocalyptic number.

It is an amenable number.

523094663873 is a deficient number, since it is larger than the sum of its proper divisors (1).

523094663873 is an equidigital number, since it uses as much as digits as its factorization.

523094663873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19595520, while the sum is 56.

The spelling of 523094663873 in words is "five hundred twenty-three billion, ninety-four million, six hundred sixty-three thousand, eight hundred seventy-three".