133023001065503 has 4 divisors (see below), whose sum is σ = 133370319606528. Its totient is φ = 132675682524480.

The previous prime is 133023001065433. The next prime is 133023001065509. The reversal of 133023001065503 is 305560100320331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133023001065503 - 2⁸ = 133023001065247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133023001065503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133023001065509) 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 in 3 ways as a sum of consecutive naturals, for example, 173659269938 + ... + 173659270703.

It is an arithmetic number, because the mean of its divisors is an integer number (33342579901632).

Almost surely, 2^{133023001065503} is an apocalyptic number.

133023001065503 is a deficient number, since it is larger than the sum of its proper divisors (347318541025).

133023001065503 is an equidigital number, since it uses as much as digits as its factorization.

133023001065503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347318541024.

The product of its (nonzero) digits is 24300, while the sum is 32.

Adding to 133023001065503 its reverse (305560100320331), we get a palindrome (438583101385834).

The spelling of 133023001065503 in words is "one hundred thirty-three trillion, twenty-three billion, one million, sixty-five thousand, five hundred three".