23798965 has 4 divisors (see below), whose sum is σ = 28558764. Its totient is φ = 19039168.

The previous prime is 23798953. The next prime is 23798969. The reversal of 23798965 is 56989732.

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 14447601 + 9351364 = 3801^2 + 3058^2 .

It is a cyclic number.

It is not a de Polignac number, because 23798965 - 2¹¹ = 23796917 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23798969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2379892 + ... + 2379901.

It is an arithmetic number, because the mean of its divisors is an integer number (7139691).

Almost surely, 2^23798965 is an apocalyptic number.

It is an amenable number.

23798965 is a deficient number, since it is larger than the sum of its proper divisors (4759799).

23798965 is an equidigital number, since it uses as much as digits as its factorization.

23798965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4759798.

The product of its digits is 816480, while the sum is 49.

The square root of 23798965 is about 4878.4182887489. The cubic root of 23798965 is about 287.6422585196.

The spelling of 23798965 in words is "twenty-three million, seven hundred ninety-eight thousand, nine hundred sixty-five".