232405665 has 8 divisors (see below), whose sum is σ = 371849088. Its totient is φ = 123949680.

The previous prime is 232405643. The next prime is 232405673. The reversal of 232405665 is 566504232.

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

It is not a de Polignac number, because 232405665 - 2²⁴ = 215628449 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7746841 + ... + 7746870.

It is an arithmetic number, because the mean of its divisors is an integer number (46481136).

Almost surely, 2^232405665 is an apocalyptic number.

It is an amenable number.

232405665 is a deficient number, since it is larger than the sum of its proper divisors (139443423).

232405665 is a wasteful number, since it uses less digits than its factorization.

232405665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15493719.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 232405665 is about 15244.8570016252. The cubic root of 232405665 is about 614.8212978047.

Adding to 232405665 its reverse (566504232), we get a palindrome (798909897).

The spelling of 232405665 in words is "two hundred thirty-two million, four hundred five thousand, six hundred sixty-five".