23530165 has 8 divisors (see below), whose sum is σ = 29210040. Its totient is φ = 18174912.

The previous prime is 23530141. The next prime is 23530183. The reversal of 23530165 is 56103532.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 114244 + 23415921 = 338^2 + 4839^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23530165 - 2¹⁷ = 23399093 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 80994 + ... + 81283.

It is an arithmetic number, because the mean of its divisors is an integer number (3651255).

Almost surely, 2^23530165 is an apocalyptic number.

It is an amenable number.

23530165 is a deficient number, since it is larger than the sum of its proper divisors (5679875).

23530165 is a wasteful number, since it uses less digits than its factorization.

23530165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162311.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 23530165 is about 4850.7901418223. The cubic root of 23530165 is about 286.5552200344. Note that the first 3 decimals are identical.

Adding to 23530165 its reverse (56103532), we get a palindrome (79633697).

The spelling of 23530165 in words is "twenty-three million, five hundred thirty thousand, one hundred sixty-five".