23313178115321 has 2 divisors, whose sum is σ = 23313178115322. Its totient is φ = 23313178115320.

The previous prime is 23313178115317. The next prime is 23313178115363. The reversal of 23313178115321 is 12351187131332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19788307044025 + 3524871071296 = 4448405^2 + 1877464^2 .

It is a cyclic number.

It is not a de Polignac number, because 23313178115321 - 2² = 23313178115317 is a prime.

It is not a weakly prime, because it can be changed into another prime (23313178115221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11656589057660 + 11656589057661.

It is an arithmetic number, because the mean of its divisors is an integer number (11656589057661).

Almost surely, 2^{23313178115321} is an apocalyptic number.

It is an amenable number.

23313178115321 is a deficient number, since it is larger than the sum of its proper divisors (1).

23313178115321 is an equidigital number, since it uses as much as digits as its factorization.

23313178115321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 41.

The spelling of 23313178115321 in words is "twenty-three trillion, three hundred thirteen billion, one hundred seventy-eight million, one hundred fifteen thousand, three hundred twenty-one".