20123220122223 has 8 divisors (see below), whose sum is σ = 28409251937328. Its totient is φ = 12626334194304.

The previous prime is 20123220122191. The next prime is 20123220122227. The reversal of 20123220122223 is 32222102232102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20123220122223 - 2⁵ = 20123220122191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20123220122193 and 20123220122202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123220122227) 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 7 ways as a sum of consecutive naturals, for example, 197286471736 + ... + 197286471837.

It is an arithmetic number, because the mean of its divisors is an integer number (3551156492166).

Almost surely, 2^{20123220122223} is an apocalyptic number.

20123220122223 is a deficient number, since it is larger than the sum of its proper divisors (8286031815105).

20123220122223 is a wasteful number, since it uses less digits than its factorization.

20123220122223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394572943593.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20123220122223 its reverse (32222102232102), we get a palindrome (52345322354325).

The spelling of 20123220122223 in words is "twenty trillion, one hundred twenty-three billion, two hundred twenty million, one hundred twenty-two thousand, two hundred twenty-three".