601531123163 has 2 divisors, whose sum is σ = 601531123164. Its totient is φ = 601531123162.

The previous prime is 601531123117. The next prime is 601531123183. The reversal of 601531123163 is 361321135106.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 601531123163 - 2⁶ = 601531123099 is a prime.

It is not a weakly prime, because it can be changed into another prime (601531123183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300765561581 + 300765561582.

It is an arithmetic number, because the mean of its divisors is an integer number (300765561582).

Almost surely, 2^601531123163 is an apocalyptic number.

601531123163 is a deficient number, since it is larger than the sum of its proper divisors (1).

601531123163 is an equidigital number, since it uses as much as digits as its factorization.

601531123163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 32.

Adding to 601531123163 its reverse (361321135106), we get a palindrome (962852258269).

The spelling of 601531123163 in words is "six hundred one billion, five hundred thirty-one million, one hundred twenty-three thousand, one hundred sixty-three".