23385161 has 2 divisors, whose sum is σ = 23385162. Its totient is φ = 23385160.

The previous prime is 23385157. The next prime is 23385239. The reversal of 23385161 is 16158332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22619536 + 765625 = 4756^2 + 875^2 .

It is a cyclic number.

It is not a de Polignac number, because 23385161 - 2² = 23385157 is a prime.

It is a Chen prime.

It is a plaindrome in base 11.

It is not a weakly prime, because it can be changed into another prime (23385151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11692580 + 11692581.

It is an arithmetic number, because the mean of its divisors is an integer number (11692581).

Almost surely, 2^23385161 is an apocalyptic number.

It is an amenable number.

23385161 is a deficient number, since it is larger than the sum of its proper divisors (1).

23385161 is an equidigital number, since it uses as much as digits as its factorization.

23385161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 29.

The square root of 23385161 is about 4835.8206128846. The cubic root of 23385161 is about 285.9653771640.

The spelling of 23385161 in words is "twenty-three million, three hundred eighty-five thousand, one hundred sixty-one".