323220321103 has 4 divisors (see below), whose sum is σ = 323266220568. Its totient is φ = 323174421640.

The previous prime is 323220321091. The next prime is 323220321157. The reversal of 323220321103 is 301123022323.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301123022323 = 557 ⋅540615839.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323220321103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323220361103) 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, 22939168 + ... + 22953253.

It is an arithmetic number, because the mean of its divisors is an integer number (80816555142).

Almost surely, 2^323220321103 is an apocalyptic number.

323220321103 is a deficient number, since it is larger than the sum of its proper divisors (45899465).

323220321103 is an equidigital number, since it uses as much as digits as its factorization.

323220321103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45899464.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 323220321103 its reverse (301123022323), we get a palindrome (624343343426).

The spelling of 323220321103 in words is "three hundred twenty-three billion, two hundred twenty million, three hundred twenty-one thousand, one hundred three".