23128385353 has 2 divisors, whose sum is σ = 23128385354. Its totient is φ = 23128385352.

The previous prime is 23128385251. The next prime is 23128385363. The reversal of 23128385353 is 35358382132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23089410304 + 38975049 = 151952^2 + 6243^2 .

It is a cyclic number.

It is not a de Polignac number, because 23128385353 - 2⁹ = 23128384841 is a prime.

It is not a weakly prime, because it can be changed into another prime (23128385363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11564192676 + 11564192677.

It is an arithmetic number, because the mean of its divisors is an integer number (11564192677).

Almost surely, 2^23128385353 is an apocalyptic number.

It is an amenable number.

23128385353 is a deficient number, since it is larger than the sum of its proper divisors (1).

23128385353 is an equidigital number, since it uses as much as digits as its factorization.

23128385353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518400, while the sum is 43.

The spelling of 23128385353 in words is "twenty-three billion, one hundred twenty-eight million, three hundred eighty-five thousand, three hundred fifty-three".