23004161 has 2 divisors, whose sum is σ = 23004162. Its totient is φ = 23004160.

The previous prime is 23004143. The next prime is 23004203. The reversal of 23004161 is 16140032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20647936 + 2356225 = 4544^2 + 1535^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23004161 is a prime.

It is not a weakly prime, because it can be changed into another prime (23004061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11502080 + 11502081.

It is an arithmetic number, because the mean of its divisors is an integer number (11502081).

Almost surely, 2^23004161 is an apocalyptic number.

It is an amenable number.

23004161 is a deficient number, since it is larger than the sum of its proper divisors (1).

23004161 is an equidigital number, since it uses as much as digits as its factorization.

23004161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 23004161 is about 4796.2653179323. The cubic root of 23004161 is about 284.4038467054.

Adding to 23004161 its reverse (16140032), we get a palindrome (39144193).

The spelling of 23004161 in words is "twenty-three million, four thousand, one hundred sixty-one".