133023171831669 has 12 divisors (see below), whose sum is σ = 219593807468256. Its totient is φ = 76013241046632.

The previous prime is 133023171831629. The next prime is 133023171831677. The reversal of 133023171831669 is 966138171320331.

It is a happy number.

133023171831669 is a `hidden beast` number, since 1 + 3 + 3 + 0 + 2 + 317 + 1 + 8 + 316 + 6 + 9 = 666.

It is not a de Polignac number, because 133023171831669 - 2¹¹ = 133023171829621 is a prime.

It is a super-2 number, since 2×133023171831669² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133023171831619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1055739458919 + ... + 1055739459044.

It is an arithmetic number, because the mean of its divisors is an integer number (18299483955688).

Almost surely, 2^{133023171831669} is an apocalyptic number.

It is an amenable number.

133023171831669 is a deficient number, since it is larger than the sum of its proper divisors (86570635636587).

133023171831669 is a wasteful number, since it uses less digits than its factorization.

133023171831669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111478917976 (or 2111478917973 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The spelling of 133023171831669 in words is "one hundred thirty-three trillion, twenty-three billion, one hundred seventy-one million, eight hundred thirty-one thousand, six hundred sixty-nine".