65023205321723 has 12 divisors (see below), whose sum is σ = 71495844538104. Its totient is φ = 59092108178400.

The previous prime is 65023205321707. The next prime is 65023205321743. The reversal of 65023205321723 is 32712350232056.

It is not a de Polignac number, because 65023205321723 - 2⁴ = 65023205321707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65023205321743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90078386 + ... + 90797367.

It is an arithmetic number, because the mean of its divisors is an integer number (5957987044842).

Almost surely, 2^{65023205321723} is an apocalyptic number.

65023205321723 is a deficient number, since it is larger than the sum of its proper divisors (6472639216381).

65023205321723 is a wasteful number, since it uses less digits than its factorization.

65023205321723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180878746 (or 180878735 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 41.

Adding to 65023205321723 its reverse (32712350232056), we get a palindrome (97735555553779).

The spelling of 65023205321723 in words is "sixty-five trillion, twenty-three billion, two hundred five million, three hundred twenty-one thousand, seven hundred twenty-three".