320823181823073 has 16 divisors (see below), whose sum is σ = 462447829657920. Its totient is φ = 197148811588416.

The previous prime is 320823181823047. The next prime is 320823181823077. The reversal of 320823181823073 is 370328181328023.

It is a happy number.

It is not a de Polignac number, because 320823181823073 - 2⁵ = 320823181823041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320823181823077) 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, 76060496190 + ... + 76060500407.

It is an arithmetic number, because the mean of its divisors is an integer number (28902989353620).

Almost surely, 2^{320823181823073} is an apocalyptic number.

It is an amenable number.

320823181823073 is a deficient number, since it is larger than the sum of its proper divisors (141624647834847).

320823181823073 is a wasteful number, since it uses less digits than its factorization.

320823181823073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152120996656.

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 320823181823073 in words is "three hundred twenty trillion, eight hundred twenty-three billion, one hundred eighty-one million, eight hundred twenty-three thousand, seventy-three".