133023013406523 has 6 divisors (see below), whose sum is σ = 192144352698324. Its totient is φ = 88682008937676.

The previous prime is 133023013406519. The next prime is 133023013406531. The reversal of 133023013406523 is 325604310320331.

133023013406523 is a `hidden beast` number, since 1 + 3 + 3 + 0 + 2 + 301 + 340 + 6 + 5 + 2 + 3 = 666.

It is not a de Polignac number, because 133023013406523 - 2² = 133023013406519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133023013406513) 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 5 ways as a sum of consecutive naturals, for example, 7390167411465 + ... + 7390167411482.

It is an arithmetic number, because the mean of its divisors is an integer number (32024058783054).

Almost surely, 2^{133023013406523} is an apocalyptic number.

133023013406523 is a deficient number, since it is larger than the sum of its proper divisors (59121339291801).

133023013406523 is a wasteful number, since it uses less digits than its factorization.

133023013406523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14780334822953 (or 14780334822950 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 36.

Adding to 133023013406523 its reverse (325604310320331), we get a palindrome (458627323726854).

The spelling of 133023013406523 in words is "one hundred thirty-three trillion, twenty-three billion, thirteen million, four hundred six thousand, five hundred twenty-three".