23201132323177 has 2 divisors, whose sum is σ = 23201132323178. Its totient is φ = 23201132323176.

The previous prime is 23201132323157. The next prime is 23201132323207. The reversal of 23201132323177 is 77132323110232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20395845662976 + 2805286660201 = 4516176^2 + 1674899^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23201132323177 is a prime.

It is not a weakly prime, because it can be changed into another prime (23201132323157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11600566161588 + 11600566161589.

It is an arithmetic number, because the mean of its divisors is an integer number (11600566161589).

Almost surely, 2^{23201132323177} is an apocalyptic number.

It is an amenable number.

23201132323177 is a deficient number, since it is larger than the sum of its proper divisors (1).

23201132323177 is an equidigital number, since it uses as much as digits as its factorization.

23201132323177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 37.

The spelling of 23201132323177 in words is "twenty-three trillion, two hundred one billion, one hundred thirty-two million, three hundred twenty-three thousand, one hundred seventy-seven".