523553442163 has 2 divisors, whose sum is σ = 523553442164. Its totient is φ = 523553442162.

The previous prime is 523553442107. The next prime is 523553442187. The reversal of 523553442163 is 361244355325.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 523553442163 - 2²⁵ = 523519887731 is a prime.

It is a super-2 number, since 2×523553442163² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (523553442563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261776721081 + 261776721082.

It is an arithmetic number, because the mean of its divisors is an integer number (261776721082).

Almost surely, 2^523553442163 is an apocalyptic number.

523553442163 is a deficient number, since it is larger than the sum of its proper divisors (1).

523553442163 is an equidigital number, since it uses as much as digits as its factorization.

523553442163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296000, while the sum is 43.

Adding to 523553442163 its reverse (361244355325), we get a palindrome (884797797488).

The spelling of 523553442163 in words is "five hundred twenty-three billion, five hundred fifty-three million, four hundred forty-two thousand, one hundred sixty-three".