212223323123 has 6 divisors (see below), whose sum is σ = 246872028996. Its totient is φ = 181905705492.

The previous prime is 212223323107. The next prime is 212223323177. The reversal of 212223323123 is 321323322212.

It is not a de Polignac number, because 212223323123 - 2⁴ = 212223323107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212223323092 and 212223323101.

It is not an unprimeable number, because it can be changed into a prime (212223623123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2165544065 + ... + 2165544162.

It is an arithmetic number, because the mean of its divisors is an integer number (41145338166).

Almost surely, 2^212223323123 is an apocalyptic number.

212223323123 is a deficient number, since it is larger than the sum of its proper divisors (34648705873).

212223323123 is an equidigital number, since it uses as much as digits as its factorization.

212223323123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4331088241 (or 4331088234 counting only the distinct ones).

The product of its digits is 5184, while the sum is 26.

Adding to 212223323123 its reverse (321323322212), we get a palindrome (533546645335).

The spelling of 212223323123 in words is "two hundred twelve billion, two hundred twenty-three million, three hundred twenty-three thousand, one hundred twenty-three".