320223100123 has 2 divisors, whose sum is σ = 320223100124. Its totient is φ = 320223100122.

The previous prime is 320223100117. The next prime is 320223100177. The reversal of 320223100123 is 321001322023.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320223100123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320223100123.

It is not a weakly prime, because it can be changed into another prime (320223109123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160111550061 + 160111550062.

It is an arithmetic number, because the mean of its divisors is an integer number (160111550062).

Almost surely, 2^320223100123 is an apocalyptic number.

320223100123 is a deficient number, since it is larger than the sum of its proper divisors (1).

320223100123 is an equidigital number, since it uses as much as digits as its factorization.

320223100123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 320223100123 its reverse (321001322023), we get a palindrome (641224422146).

The spelling of 320223100123 in words is "three hundred twenty billion, two hundred twenty-three million, one hundred thousand, one hundred twenty-three".