220144223323 has 4 divisors (see below), whose sum is σ = 224297887968. Its totient is φ = 215990558680.

The previous prime is 220144223297. The next prime is 220144223339. The reversal of 220144223323 is 323322441022.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 220144223323 - 2⁹ = 220144222811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220144223291 and 220144223300.

It is not an unprimeable number, because it can be changed into a prime (220144223353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2076832243 + ... + 2076832348.

It is an arithmetic number, because the mean of its divisors is an integer number (56074471992).

Almost surely, 2^220144223323 is an apocalyptic number.

220144223323 is a deficient number, since it is larger than the sum of its proper divisors (4153664645).

220144223323 is an equidigital number, since it uses as much as digits as its factorization.

220144223323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4153664644.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 220144223323 its reverse (323322441022), we get a palindrome (543466664345).

The spelling of 220144223323 in words is "two hundred twenty billion, one hundred forty-four million, two hundred twenty-three thousand, three hundred twenty-three".