220220003123 has 2 divisors, whose sum is σ = 220220003124. Its totient is φ = 220220003122.

The previous prime is 220220003111. The next prime is 220220003131. The reversal of 220220003123 is 321300022022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220220003123 - 2²⁰ = 220218954547 is a prime.

It is not a weakly prime, because it can be changed into another prime (220220023123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110110001561 + 110110001562.

It is an arithmetic number, because the mean of its divisors is an integer number (110110001562).

Almost surely, 2^220220003123 is an apocalyptic number.

220220003123 is a deficient number, since it is larger than the sum of its proper divisors (1).

220220003123 is an equidigital number, since it uses as much as digits as its factorization.

220220003123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 220220003123 its reverse (321300022022), we get a palindrome (541520025145).

The spelling of 220220003123 in words is "two hundred twenty billion, two hundred twenty million, three thousand, one hundred twenty-three".