323013020321 has 8 divisors (see below), whose sum is σ = 324134911464. Its totient is φ = 321893066880.

The previous prime is 323013020279. The next prime is 323013020329. The reversal of 323013020321 is 123020310323.

It can be written as a sum of positive squares in 4 ways, for example, as 22093849600 + 300919170721 = 148640^2 + 548561^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323013020321 is a prime.

It is a super-2 number, since 2×323013020321² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 323013020293 and 323013020302.

It is not an unprimeable number, because it can be changed into a prime (323013020329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150050 + ... + 817643.

It is an arithmetic number, because the mean of its divisors is an integer number (40516863933).

Almost surely, 2^323013020321 is an apocalyptic number.

It is an amenable number.

323013020321 is a deficient number, since it is larger than the sum of its proper divisors (1121891143).

323013020321 is an equidigital number, since it uses as much as digits as its factorization.

323013020321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968851.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 323013020321 its reverse (123020310323), we get a palindrome (446033330644).

The spelling of 323013020321 in words is "three hundred twenty-three billion, thirteen million, twenty thousand, three hundred twenty-one".