220423220023 has 16 divisors (see below), whose sum is σ = 222418483200. Its totient is φ = 218437854880.

The previous prime is 220423220011. The next prime is 220423220041. The reversal of 220423220023 is 320022324022.

It is a cyclic number.

It is not a de Polignac number, because 220423220023 - 2²¹ = 220421122871 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220423219976 and 220423220003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220423220063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90969990 + ... + 90972412.

It is an arithmetic number, because the mean of its divisors is an integer number (13901155200).

Almost surely, 2^220423220023 is an apocalyptic number.

220423220023 is a deficient number, since it is larger than the sum of its proper divisors (1995263177).

220423220023 is a wasteful number, since it uses less digits than its factorization.

220423220023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4142.

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 220423220023 its reverse (320022324022), we get a palindrome (540445544045).

The spelling of 220423220023 in words is "two hundred twenty billion, four hundred twenty-three million, two hundred twenty thousand, twenty-three".