183623161 has 2 divisors, whose sum is σ = 183623162. Its totient is φ = 183623160.

The previous prime is 183623149. The next prime is 183623177. The reversal of 183623161 is 161326381.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164865600 + 18757561 = 12840^2 + 4331^2 .

It is an emirp because it is prime and its reverse (161326381) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-183623161 is a prime.

It is not a weakly prime, because it can be changed into another prime (183621161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91811580 + 91811581.

It is an arithmetic number, because the mean of its divisors is an integer number (91811581).

Almost surely, 2^183623161 is an apocalyptic number.

It is an amenable number.

183623161 is a deficient number, since it is larger than the sum of its proper divisors (1).

183623161 is an equidigital number, since it uses as much as digits as its factorization.

183623161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 31.

The square root of 183623161 is about 13550.7623770768. The cubic root of 183623161 is about 568.3848407398.

The spelling of 183623161 in words is "one hundred eighty-three million, six hundred twenty-three thousand, one hundred sixty-one".