2323523665 has 4 divisors (see below), whose sum is σ = 2788228404. Its totient is φ = 1858818928.

The previous prime is 2323523659. The next prime is 2323523677. The reversal of 2323523665 is 5663253232.

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 1856920464 + 466603201 = 43092^2 + 21601^2 .

It is a cyclic number.

It is not a de Polignac number, because 2323523665 - 2⁵ = 2323523633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232352362 + ... + 232352371.

It is an arithmetic number, because the mean of its divisors is an integer number (697057101).

Almost surely, 2^2323523665 is an apocalyptic number.

It is an amenable number.

2323523665 is a deficient number, since it is larger than the sum of its proper divisors (464704739).

2323523665 is an equidigital number, since it uses as much as digits as its factorization.

2323523665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464704738.

The product of its digits is 194400, while the sum is 37.

The square root of 2323523665 is about 48202.9424931715. The cubic root of 2323523665 is about 1324.4910664395.

Adding to 2323523665 its reverse (5663253232), we get a palindrome (7986776897).

The spelling of 2323523665 in words is "two billion, three hundred twenty-three million, five hundred twenty-three thousand, six hundred sixty-five".