23330161 has 2 divisors, whose sum is σ = 23330162. Its totient is φ = 23330160.

The previous prime is 23330159. The next prime is 23330179. The reversal of 23330161 is 16103332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15800625 + 7529536 = 3975^2 + 2744^2 .

It is a cyclic number.

It is not a de Polignac number, because 23330161 - 2¹ = 23330159 is a prime.

Together with 23330159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23330191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11665080 + 11665081.

It is an arithmetic number, because the mean of its divisors is an integer number (11665081).

Almost surely, 2^23330161 is an apocalyptic number.

It is an amenable number.

23330161 is a deficient number, since it is larger than the sum of its proper divisors (1).

23330161 is an equidigital number, since it uses as much as digits as its factorization.

23330161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 23330161 is about 4830.1305365383. The cubic root of 23330161 is about 285.7410120594.

Adding to 23330161 its reverse (16103332), we get a palindrome (39433493).

The spelling of 23330161 in words is "twenty-three million, three hundred thirty thousand, one hundred sixty-one".