323230303021 has 4 divisors (see below), whose sum is σ = 324096872572. Its totient is φ = 322363733472.

The previous prime is 323230303003. The next prime is 323230303061. The reversal of 323230303021 is 120303032323.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 120303032323 = 9137 ⋅13166579.

It can be written as a sum of positive squares in 2 ways, for example, as 57175504996 + 266054798025 = 239114^2 + 515805^2 .

It is a cyclic number.

It is not a de Polignac number, because 323230303021 - 2²¹ = 323228205869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 323230302983 and 323230303001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323230303061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433284216 + ... + 433284961.

It is an arithmetic number, because the mean of its divisors is an integer number (81024218143).

Almost surely, 2^323230303021 is an apocalyptic number.

It is an amenable number.

323230303021 is a deficient number, since it is larger than the sum of its proper divisors (866569551).

323230303021 is an equidigital number, since it uses as much as digits as its factorization.

323230303021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866569550.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 323230303021 its reverse (120303032323), we get a palindrome (443533335344).

The spelling of 323230303021 in words is "three hundred twenty-three billion, two hundred thirty million, three hundred three thousand, twenty-one".