133565115064023 has 48 divisors (see below), whose sum is σ = 198170032185216. Its totient is φ = 86646142402560.

The previous prime is 133565115064019. The next prime is 133565115064153. The reversal of 133565115064023 is 320460511565331.

133565115064023 is a `hidden beast` number, since 1 + 3 + 3 + 5 + 6 + 511 + 50 + 64 + 0 + 23 = 666.

It is not a de Polignac number, because 133565115064023 - 2² = 133565115064019 is a prime.

It is a super-3 number, since 3×133565115064023³ (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133565115064023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133565115064523) 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 47 ways as a sum of consecutive naturals, for example, 138059343 + ... + 139023423.

It is an arithmetic number, because the mean of its divisors is an integer number (4128542337192).

Almost surely, 2^{133565115064023} is an apocalyptic number.

133565115064023 is a deficient number, since it is larger than the sum of its proper divisors (64604917121193).

133565115064023 is a wasteful number, since it uses less digits than its factorization.

133565115064023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966024 (or 966021 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 45.

The spelling of 133565115064023 in words is "one hundred thirty-three trillion, five hundred sixty-five billion, one hundred fifteen million, sixty-four thousand, twenty-three".