223221101443123 has 8 divisors (see below), whose sum is σ = 255488893866848. Its totient is φ = 191048074930944.

The previous prime is 223221101443073. The next prime is 223221101443127. The reversal of 223221101443123 is 321344101122322.

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

It is not a de Polignac number, because 223221101443123 - 2²⁵ = 223221067888691 is a prime.

It is a super-3 number, since 3×223221101443123³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223221101443127) 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, 23691472836 + ... + 23691482257.

It is an arithmetic number, because the mean of its divisors is an integer number (31936111733356).

Almost surely, 2^{223221101443123} is an apocalyptic number.

223221101443123 is a deficient number, since it is larger than the sum of its proper divisors (32267792423725).

223221101443123 is an equidigital number, since it uses as much as digits as its factorization.

223221101443123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47382955773.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 223221101443123 its reverse (321344101122322), we get a palindrome (544565202565445).

The spelling of 223221101443123 in words is "two hundred twenty-three trillion, two hundred twenty-one billion, one hundred one million, four hundred forty-three thousand, one hundred twenty-three".