23323406065 has 4 divisors (see below), whose sum is σ = 27988087284. Its totient is φ = 18658724848.

The previous prime is 23323406033. The next prime is 23323406081. The reversal of 23323406065 is 56060432332.

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 5014339344 + 18309066721 = 70812^2 + 135311^2 .

It is a cyclic number.

It is not a de Polignac number, because 23323406065 - 2⁵ = 23323406033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23323406065.

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, 2332340602 + ... + 2332340611.

It is an arithmetic number, because the mean of its divisors is an integer number (6997021821).

Almost surely, 2^23323406065 is an apocalyptic number.

It is an amenable number.

23323406065 is a deficient number, since it is larger than the sum of its proper divisors (4664681219).

23323406065 is an equidigital number, since it uses as much as digits as its factorization.

23323406065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4664681218.

The product of its (nonzero) digits is 77760, while the sum is 34.

Adding to 23323406065 its reverse (56060432332), we get a palindrome (79383838397).

The spelling of 23323406065 in words is "twenty-three billion, three hundred twenty-three million, four hundred six thousand, sixty-five".