23706161 has 2 divisors, whose sum is σ = 23706162. Its totient is φ = 23706160.

The previous prime is 23706139. The next prime is 23706173. The reversal of 23706161 is 16160732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15555136 + 8151025 = 3944^2 + 2855^2 .

It is a cyclic number.

It is not a de Polignac number, because 23706161 - 2⁶ = 23706097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23706161.

It is not a weakly prime, because it can be changed into another prime (23706101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11853080 + 11853081.

It is an arithmetic number, because the mean of its divisors is an integer number (11853081).

Almost surely, 2^23706161 is an apocalyptic number.

It is an amenable number.

23706161 is a deficient number, since it is larger than the sum of its proper divisors (1).

23706161 is an equidigital number, since it uses as much as digits as its factorization.

23706161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 23706161 is about 4868.8973084262. The cubic root of 23706161 is about 287.2678847361.

Adding to 23706161 its reverse (16160732), we get a palindrome (39866893).

The spelling of 23706161 in words is "twenty-three million, seven hundred six thousand, one hundred sixty-one".