23144161 has 2 divisors, whose sum is σ = 23144162. Its totient is φ = 23144160.

The previous prime is 23144137. The next prime is 23144167. The reversal of 23144161 is 16144132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20757136 + 2387025 = 4556^2 + 1545^2 .

It is a cyclic number.

It is not a de Polignac number, because 23144161 - 2¹⁵ = 23111393 is a prime.

It is not a weakly prime, because it can be changed into another prime (23144167) 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, 11572080 + 11572081.

It is an arithmetic number, because the mean of its divisors is an integer number (11572081).

Almost surely, 2^23144161 is an apocalyptic number.

It is an amenable number.

23144161 is a deficient number, since it is larger than the sum of its proper divisors (1).

23144161 is an equidigital number, since it uses as much as digits as its factorization.

23144161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 22.

The square root of 23144161 is about 4810.8378688125. The cubic root of 23144161 is about 284.9796271474.

Adding to 23144161 its reverse (16144132), we get a palindrome (39288293).

The spelling of 23144161 in words is "twenty-three million, one hundred forty-four thousand, one hundred sixty-one".