523303205202163 has 2 divisors, whose sum is σ = 523303205202164. Its totient is φ = 523303205202162.

The previous prime is 523303205202073. The next prime is 523303205202233. The reversal of 523303205202163 is 361202502303325.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 523303205202163 - 2¹³ = 523303205193971 is a prime.

It is not a weakly prime, because it can be changed into another prime (523303205208163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261651602601081 + 261651602601082.

It is an arithmetic number, because the mean of its divisors is an integer number (261651602601082).

Almost surely, 2^{523303205202163} is an apocalyptic number.

523303205202163 is a deficient number, since it is larger than the sum of its proper divisors (1).

523303205202163 is an equidigital number, since it uses as much as digits as its factorization.

523303205202163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 37.

Adding to 523303205202163 its reverse (361202502303325), we get a palindrome (884505707505488).

The spelling of 523303205202163 in words is "five hundred twenty-three trillion, three hundred three billion, two hundred five million, two hundred two thousand, one hundred sixty-three".