23824961 has 4 divisors (see below), whose sum is σ = 23865732. Its totient is φ = 23784192.

The previous prime is 23824943. The next prime is 23824963. The reversal of 23824961 is 16942832.

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 19228225 + 4596736 = 4385^2 + 2144^2 .

It is a cyclic number.

It is not a de Polignac number, because 23824961 - 2⁶ = 23824897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23824963) by changing a digit.

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, 19496 + ... + 20681.

It is an arithmetic number, because the mean of its divisors is an integer number (5966433).

Almost surely, 2^23824961 is an apocalyptic number.

It is an amenable number.

23824961 is a deficient number, since it is larger than the sum of its proper divisors (40771).

23824961 is an equidigital number, since it uses as much as digits as its factorization.

23824961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40770.

The product of its digits is 20736, while the sum is 35.

The square root of 23824961 is about 4881.0819497320. The cubic root of 23824961 is about 287.7469525289.

The spelling of 23824961 in words is "twenty-three million, eight hundred twenty-four thousand, nine hundred sixty-one".