65384923 has 2 divisors, whose sum is σ = 65384924. Its totient is φ = 65384922.

The previous prime is 65384911. The next prime is 65384927. The reversal of 65384923 is 32948356.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65384923 - 2⁹ = 65384411 is a prime.

It is not a weakly prime, because it can be changed into another prime (65384927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32692461 + 32692462.

It is an arithmetic number, because the mean of its divisors is an integer number (32692462).

Almost surely, 2^65384923 is an apocalyptic number.

65384923 is a deficient number, since it is larger than the sum of its proper divisors (1).

65384923 is an equidigital number, since it uses as much as digits as its factorization.

65384923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 40.

The square root of 65384923 is about 8086.0944219073. The cubic root of 65384923 is about 402.8646911348.

The spelling of 65384923 in words is "sixty-five million, three hundred eighty-four thousand, nine hundred twenty-three".