320200123303 has 4 divisors (see below), whose sum is σ = 323501155600. Its totient is φ = 316899091008.

The previous prime is 320200123301. The next prime is 320200123337. The reversal of 320200123303 is 303321002023.

It is a happy number.

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 320200123303 - 2¹ = 320200123301 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 (320200123301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1650516003 + ... + 1650516196.

It is an arithmetic number, because the mean of its divisors is an integer number (80875288900).

Almost surely, 2^320200123303 is an apocalyptic number.

320200123303 is a deficient number, since it is larger than the sum of its proper divisors (3301032297).

320200123303 is an equidigital number, since it uses as much as digits as its factorization.

320200123303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3301032296.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 320200123303 its reverse (303321002023), we get a palindrome (623521125326).

The spelling of 320200123303 in words is "three hundred twenty billion, two hundred million, one hundred twenty-three thousand, three hundred three".