65804423 has 4 divisors (see below), whose sum is σ = 65820648. Its totient is φ = 65788200.

The previous prime is 65804381. The next prime is 65804437. The reversal of 65804423 is 32440856.

65804423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 65804423 - 2¹⁴ = 65788039 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 65804423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65804443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4040 + ... + 12162.

It is an arithmetic number, because the mean of its divisors is an integer number (16455162).

Almost surely, 2^65804423 is an apocalyptic number.

65804423 is a deficient number, since it is larger than the sum of its proper divisors (16225).

65804423 is an equidigital number, since it uses as much as digits as its factorization.

65804423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16224.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 65804423 is about 8111.9925419098. The cubic root of 65804423 is about 403.7244285325.

The spelling of 65804423 in words is "sixty-five million, eight hundred four thousand, four hundred twenty-three".