23832161 has 4 divisors (see below), whose sum is σ = 23851524. Its totient is φ = 23812800.

The previous prime is 23832157. The next prime is 23832173. The reversal of 23832161 is 16123832.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11015761 + 12816400 = 3319^2 + 3580^2 .

It is a cyclic number.

It is not a de Polignac number, because 23832161 - 2² = 23832157 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a deceptive number, since it divides R_23832160.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23832161.

It is not an unprimeable number, because it can be changed into a prime (23832121) 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 in 3 ways as a sum of consecutive naturals, for example, 7700 + ... + 10341.

It is an arithmetic number, because the mean of its divisors is an integer number (5962881).

Almost surely, 2^23832161 is an apocalyptic number.

It is an amenable number.

23832161 is a deficient number, since it is larger than the sum of its proper divisors (19363).

23832161 is a wasteful number, since it uses less digits than its factorization.

23832161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19362.

The product of its digits is 1728, while the sum is 26.

The square root of 23832161 is about 4881.8194354154. The cubic root of 23832161 is about 287.7759357088.

Adding to 23832161 its reverse (16123832), we get a palindrome (39955993).

The spelling of 23832161 in words is "twenty-three million, eight hundred thirty-two thousand, one hundred sixty-one".