65016223 has 4 divisors (see below), whose sum is σ = 65036088. Its totient is φ = 64996360.

The previous prime is 65016187. The next prime is 65016229. The reversal of 65016223 is 32261056.

65016223 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 65016223 - 2²¹ = 62919071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65016229) 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, 3733 + ... + 11998.

It is an arithmetic number, because the mean of its divisors is an integer number (16259022).

Almost surely, 2^65016223 is an apocalyptic number.

65016223 is a deficient number, since it is larger than the sum of its proper divisors (19865).

65016223 is a wasteful number, since it uses less digits than its factorization.

65016223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19864.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 65016223 is about 8063.2637932787. The cubic root of 65016223 is about 402.1060234528.

Adding to 65016223 its reverse (32261056), we get a palindrome (97277279).

The spelling of 65016223 in words is "sixty-five million, sixteen thousand, two hundred twenty-three".