65200953823 has 4 divisors (see below), whose sum is σ = 66094117648. Its totient is φ = 64307790000.

The previous prime is 65200953809. The next prime is 65200953871. The reversal of 65200953823 is 32835900256.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65200953823 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 65200953823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65200950823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446581803 + ... + 446581948.

It is an arithmetic number, because the mean of its divisors is an integer number (16523529412).

Almost surely, 2^65200953823 is an apocalyptic number.

65200953823 is a deficient number, since it is larger than the sum of its proper divisors (893163825).

65200953823 is an equidigital number, since it uses as much as digits as its factorization.

65200953823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893163824.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 65200953823 in words is "sixty-five billion, two hundred million, nine hundred fifty-three thousand, eight hundred twenty-three".