23960665 has 4 divisors (see below), whose sum is σ = 28752804. Its totient is φ = 19168528.

The previous prime is 23960663. The next prime is 23960693. The reversal of 23960665 is 56606932.

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 7420176 + 16540489 = 2724^2 + 4067^2 .

It is a cyclic number.

It is not a de Polignac number, because 23960665 - 2¹ = 23960663 is a prime.

It is a super-2 number, since 2×23960665² = 1148226934484450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23960663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2396062 + ... + 2396071.

It is an arithmetic number, because the mean of its divisors is an integer number (7188201).

Almost surely, 2^23960665 is an apocalyptic number.

It is an amenable number.

23960665 is a deficient number, since it is larger than the sum of its proper divisors (4792139).

23960665 is an equidigital number, since it uses as much as digits as its factorization.

23960665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4792138.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 23960665 is about 4894.9632276453. The cubic root of 23960665 is about 288.2922420940.

The spelling of 23960665 in words is "twenty-three million, nine hundred sixty thousand, six hundred sixty-five".