23241665 has 4 divisors (see below), whose sum is σ = 27890004. Its totient is φ = 18593328.

The previous prime is 23241653. The next prime is 23241677. The reversal of 23241665 is 56614232.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (23241653) and next prime (23241677).

It can be written as a sum of positive squares in 2 ways, for example, as 14691889 + 8549776 = 3833^2 + 2924^2 .

It is a cyclic number.

It is not a de Polignac number, because 23241665 - 2¹⁰ = 23240641 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 2324162 + ... + 2324171.

It is an arithmetic number, because the mean of its divisors is an integer number (6972501).

Almost surely, 2^23241665 is an apocalyptic number.

It is an amenable number.

23241665 is a deficient number, since it is larger than the sum of its proper divisors (4648339).

23241665 is an equidigital number, since it uses as much as digits as its factorization.

23241665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4648338.

The product of its digits is 8640, while the sum is 29.

The square root of 23241665 is about 4820.9610037834. The cubic root of 23241665 is about 285.3792632061.

Adding to 23241665 its reverse (56614232), we get a palindrome (79855897).

The spelling of 23241665 in words is "twenty-three million, two hundred forty-one thousand, six hundred sixty-five".