1223102344123 has 16 divisors (see below), whose sum is σ = 1365426323712. Its totient is φ = 1085971068000.

The previous prime is 1223102344117. The next prime is 1223102344133. The reversal of 1223102344123 is 3214432013221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1223102344123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1223102344091 and 1223102344100.

It is not an unprimeable number, because it can be changed into a prime (1223102344133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6693138 + ... + 6873448.

It is an arithmetic number, because the mean of its divisors is an integer number (85339145232).

Almost surely, 2^{1223102344123} is an apocalyptic number.

1223102344123 is a deficient number, since it is larger than the sum of its proper divisors (142323979589).

1223102344123 is a wasteful number, since it uses less digits than its factorization.

1223102344123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194706.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1223102344123 its reverse (3214432013221), we get a palindrome (4437534357344).

The spelling of 1223102344123 in words is "one trillion, two hundred twenty-three billion, one hundred two million, three hundred forty-four thousand, one hundred twenty-three".