133256768065323 has 16 divisors (see below), whose sum is σ = 203135524247040. Its totient is φ = 76117627624896.

The previous prime is 133256768065303. The next prime is 133256768065361. The reversal of 133256768065323 is 323560867652331.

It is not a de Polignac number, because 133256768065323 - 2⁶ = 133256768065259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133256768065303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1212318063 + ... + 1212427976.

It is an arithmetic number, because the mean of its divisors is an integer number (12695970265440).

Almost surely, 2^{133256768065323} is an apocalyptic number.

133256768065323 is a deficient number, since it is larger than the sum of its proper divisors (69878756181717).

133256768065323 is a wasteful number, since it uses less digits than its factorization.

133256768065323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424748666.

The product of its (nonzero) digits is 97977600, while the sum is 60.

The spelling of 133256768065323 in words is "one hundred thirty-three trillion, two hundred fifty-six billion, seven hundred sixty-eight million, sixty-five thousand, three hundred twenty-three".