133423443163 has 2 divisors, whose sum is σ = 133423443164. Its totient is φ = 133423443162.

The previous prime is 133423443077. The next prime is 133423443193. The reversal of 133423443163 is 361344324331.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133423443163 is a prime.

It is not a weakly prime, because it can be changed into another prime (133423443193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66711721581 + 66711721582.

It is an arithmetic number, because the mean of its divisors is an integer number (66711721582).

Almost surely, 2^133423443163 is an apocalyptic number.

133423443163 is a deficient number, since it is larger than the sum of its proper divisors (1).

133423443163 is an equidigital number, since it uses as much as digits as its factorization.

133423443163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 37.

Adding to 133423443163 its reverse (361344324331), we get a palindrome (494767767494).

The spelling of 133423443163 in words is "one hundred thirty-three billion, four hundred twenty-three million, four hundred forty-three thousand, one hundred sixty-three".