65580323 has 2 divisors, whose sum is σ = 65580324. Its totient is φ = 65580322.

The previous prime is 65580311. The next prime is 65580379. The reversal of 65580323 is 32308556.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65580323 - 2¹⁰ = 65579299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65580323.

It is not a weakly prime, because it can be changed into another prime (65585323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32790161 + 32790162.

It is an arithmetic number, because the mean of its divisors is an integer number (32790162).

Almost surely, 2^65580323 is an apocalyptic number.

65580323 is a deficient number, since it is larger than the sum of its proper divisors (1).

65580323 is an equidigital number, since it uses as much as digits as its factorization.

65580323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 65580323 is about 8098.1678792181. The cubic root of 65580323 is about 403.2656065656.

Adding to 65580323 its reverse (32308556), we get a palindrome (97888879).

The spelling of 65580323 in words is "sixty-five million, five hundred eighty thousand, three hundred twenty-three".