23118265 has 8 divisors (see below), whose sum is σ = 28212480. Its totient is φ = 18180912.

The previous prime is 23118253. The next prime is 23118287. The reversal of 23118265 is 56281132.

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 23118265 - 2⁵ = 23118233 is a prime.

It is a super-2 number, since 2×23118265² = 1068908353220450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38889 + ... + 39478.

It is an arithmetic number, because the mean of its divisors is an integer number (3526560).

Almost surely, 2^23118265 is an apocalyptic number.

It is an amenable number.

23118265 is a deficient number, since it is larger than the sum of its proper divisors (5094215).

23118265 is an equidigital number, since it uses as much as digits as its factorization.

23118265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78431.

The product of its digits is 2880, while the sum is 28.

The square root of 23118265 is about 4808.1456924681. The cubic root of 23118265 is about 284.8732995864.

Adding to 23118265 its reverse (56281132), we get a palindrome (79399397).

It can be divided in two parts, 231 and 18265, that added together give a square (18496 = 136²).

The spelling of 23118265 in words is "twenty-three million, one hundred eighteen thousand, two hundred sixty-five".