12223223030123 has 48 divisors (see below), whose sum is σ = 15636184842240. Its totient is φ = 9487370946816.

The previous prime is 12223223030063. The next prime is 12223223030129. The reversal of 12223223030123 is 32103032232221.

It is not a de Polignac number, because 12223223030123 - 2²⁸ = 12222954594667 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12223223030092 and 12223223030101.

It is not an unprimeable number, because it can be changed into a prime (12223223030129) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 335915 + ... + 4955732.

It is an arithmetic number, because the mean of its divisors is an integer number (325753850880).

Almost surely, 2^{12223223030123} is an apocalyptic number.

12223223030123 is a deficient number, since it is larger than the sum of its proper divisors (3412961812117).

12223223030123 is a wasteful number, since it uses less digits than its factorization.

12223223030123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5291784 (or 5291777 counting only the distinct ones).

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

Adding to 12223223030123 its reverse (32103032232221), we get a palindrome (44326255262344).

The spelling of 12223223030123 in words is "twelve trillion, two hundred twenty-three billion, two hundred twenty-three million, thirty thousand, one hundred twenty-three".