320330323103 has 4 divisors (see below), whose sum is σ = 366091797840. Its totient is φ = 274568848368.

The previous prime is 320330323081. The next prime is 320330323141. The reversal of 320330323103 is 301323033023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 320330323103 - 2⁸ = 320330322847 is a prime.

It is a super-2 number, since 2×320330323103² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320330323403) 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, 22880737358 + ... + 22880737371.

It is an arithmetic number, because the mean of its divisors is an integer number (91522949460).

Almost surely, 2^320330323103 is an apocalyptic number.

320330323103 is a deficient number, since it is larger than the sum of its proper divisors (45761474737).

320330323103 is an equidigital number, since it uses as much as digits as its factorization.

320330323103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45761474736.

The product of its (nonzero) digits is 2916, while the sum is 23.

Adding to 320330323103 its reverse (301323033023), we get a palindrome (621653356126).

The spelling of 320330323103 in words is "three hundred twenty billion, three hundred thirty million, three hundred twenty-three thousand, one hundred three".