65709623476223 has 16 divisors (see below), whose sum is σ = 68573512949760. Its totient is φ = 62886519208800.

The previous prime is 65709623476207. The next prime is 65709623476261. The reversal of 65709623476223 is 32267432690756.

It is a cyclic number.

It is not a de Polignac number, because 65709623476223 - 2⁴ = 65709623476207 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 (65709653476223) 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, 4158443 + ... + 12194748.

It is an arithmetic number, because the mean of its divisors is an integer number (4285844559360).

Almost surely, 2^{65709623476223} is an apocalyptic number.

65709623476223 is a deficient number, since it is larger than the sum of its proper divisors (2863889473537).

65709623476223 is a wasteful number, since it uses less digits than its factorization.

65709623476223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16354438.

The product of its (nonzero) digits is 137168640, while the sum is 62.

The spelling of 65709623476223 in words is "sixty-five trillion, seven hundred nine billion, six hundred twenty-three million, four hundred seventy-six thousand, two hundred twenty-three".