65842383806223 has 24 divisors (see below), whose sum is σ = 91790709416112. Its totient is φ = 41978230766208.

The previous prime is 65842383806203. The next prime is 65842383806233. The reversal of 65842383806223 is 32260838324856.

It is a Cunningham number, because it is equal to 8114332²-1.

It is not a de Polignac number, because 65842383806223 - 2³⁸ = 65567505899279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65842383806203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4057165 + ... + 12171497.

It is an arithmetic number, because the mean of its divisors is an integer number (3824612892338).

Almost surely, 2^{65842383806223} is an apocalyptic number.

65842383806223 is a deficient number, since it is larger than the sum of its proper divisors (25948325609889).

65842383806223 is a wasteful number, since it uses less digits than its factorization.

65842383806223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8119495 (or 8119472 counting only the distinct ones).

The product of its (nonzero) digits is 79626240, while the sum is 60.

The spelling of 65842383806223 in words is "sixty-five trillion, eight hundred forty-two billion, three hundred eighty-three million, eight hundred six thousand, two hundred twenty-three".