65442323 has 4 divisors (see below), whose sum is σ = 66177720. Its totient is φ = 64706928.

The previous prime is 65442319. The next prime is 65442331. The reversal of 65442323 is 32324456.

65442323 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.

It is a cyclic number.

It is not a de Polignac number, because 65442323 - 2² = 65442319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65442313) 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, 367565 + ... + 367742.

It is an arithmetic number, because the mean of its divisors is an integer number (16544430).

Almost surely, 2^65442323 is an apocalyptic number.

65442323 is a deficient number, since it is larger than the sum of its proper divisors (735397).

65442323 is an equidigital number, since it uses as much as digits as its factorization.

65442323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735396.

The product of its digits is 17280, while the sum is 29.

The square root of 65442323 is about 8089.6429463852. The cubic root of 65442323 is about 402.9825453673.

Adding to 65442323 its reverse (32324456), we get a palindrome (97766779).

The spelling of 65442323 in words is "sixty-five million, four hundred forty-two thousand, three hundred twenty-three".