4323985065 has 16 divisors (see below), whose sum is σ = 7687084800. Its totient is φ = 2306125296.

The previous prime is 4323985051. The next prime is 4323985067. The reversal of 4323985065 is 5605893234.

It is not a de Polignac number, because 4323985065 - 2⁴ = 4323985049 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4323985065.

It is not an unprimeable number, because it can be changed into a prime (4323985067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16014625 + ... + 16014894.

It is an arithmetic number, because the mean of its divisors is an integer number (480442800).

Almost surely, 2^4323985065 is an apocalyptic number.

4323985065 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4323985065 is a deficient number, since it is larger than the sum of its proper divisors (3363099735).

4323985065 is a wasteful number, since it uses less digits than its factorization.

4323985065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32029533 (or 32029527 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The square root of 4323985065 is about 65757.0153291647. The cubic root of 4323985065 is about 1629.1512091323.

The spelling of 4323985065 in words is "four billion, three hundred twenty-three million, nine hundred eighty-five thousand, sixty-five".