320823218005 has 16 divisors (see below), whose sum is σ = 397071984384. Its totient is φ = 248710628800.

The previous prime is 320823217991. The next prime is 320823218011. The reversal of 320823218005 is 500812328023.

It is not a de Polignac number, because 320823218005 - 2⁵ = 320823217973 is a prime.

It is a super-2 number, since 2×320823218005² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6734707 + ... + 6782176.

It is an arithmetic number, because the mean of its divisors is an integer number (24816999024).

Almost surely, 2^320823218005 is an apocalyptic number.

It is an amenable number.

320823218005 is a deficient number, since it is larger than the sum of its proper divisors (76248766379).

320823218005 is a wasteful number, since it uses less digits than its factorization.

320823218005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13517036.

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 320823218005 in words is "three hundred twenty billion, eight hundred twenty-three million, two hundred eighteen thousand, five".