23030165 has 4 divisors (see below), whose sum is σ = 27636204. Its totient is φ = 18424128.

The previous prime is 23030131. The next prime is 23030167. The reversal of 23030165 is 56103032.

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 2436721 + 20593444 = 1561^2 + 4538^2 .

It is a cyclic number.

It is not a de Polignac number, because 23030165 - 2⁶ = 23030101 is a prime.

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

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23030167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2303012 + ... + 2303021.

It is an arithmetic number, because the mean of its divisors is an integer number (6909051).

Almost surely, 2^23030165 is an apocalyptic number.

It is an amenable number.

23030165 is a deficient number, since it is larger than the sum of its proper divisors (4606039).

23030165 is an equidigital number, since it uses as much as digits as its factorization.

23030165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4606038.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 23030165 is about 4798.9754114811. The cubic root of 23030165 is about 284.5109701180.

Adding to 23030165 its reverse (56103032), we get a palindrome (79133197).

The spelling of 23030165 in words is "twenty-three million, thirty thousand, one hundred sixty-five".