320123233223 has 4 divisors (see below), whose sum is σ = 320129761680. Its totient is φ = 320116704768.

The previous prime is 320123233219. The next prime is 320123233279. The reversal of 320123233223 is 322332321023.

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 320123233223 - 2² = 320123233219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320123233192 and 320123233201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320123233823) 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, 3190115 + ... + 3288932.

It is an arithmetic number, because the mean of its divisors is an integer number (80032440420).

Almost surely, 2^320123233223 is an apocalyptic number.

320123233223 is a deficient number, since it is larger than the sum of its proper divisors (6528457).

320123233223 is an equidigital number, since it uses as much as digits as its factorization.

320123233223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6528456.

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 320123233223 its reverse (322332321023), we get a palindrome (642455554246).

The spelling of 320123233223 in words is "three hundred twenty billion, one hundred twenty-three million, two hundred thirty-three thousand, two hundred twenty-three".