23604265 has 4 divisors (see below), whose sum is σ = 28325124. Its totient is φ = 18883408.

The previous prime is 23604257. The next prime is 23604283. The reversal of 23604265 is 56240632.

It is a happy number.

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 17438976 + 6165289 = 4176^2 + 2483^2 .

It is a cyclic number.

It is not a de Polignac number, because 23604265 - 2³ = 23604257 is a prime.

It is a super-2 number, since 2×23604265² = 1114322652380450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2360422 + ... + 2360431.

It is an arithmetic number, because the mean of its divisors is an integer number (7081281).

Almost surely, 2^23604265 is an apocalyptic number.

It is an amenable number.

23604265 is a deficient number, since it is larger than the sum of its proper divisors (4720859).

23604265 is an equidigital number, since it uses as much as digits as its factorization.

23604265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4720858.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 23604265 is about 4858.4220689438. The cubic root of 23604265 is about 286.8557065420.

Adding to 23604265 its reverse (56240632), we get a palindrome (79844897).

The spelling of 23604265 in words is "twenty-three million, six hundred four thousand, two hundred sixty-five".