1223313244342 has 16 divisors (see below), whose sum is σ = 2097978285312. Its totient is φ = 524059638120.

The previous prime is 1223313244301. The next prime is 1223313244397. The reversal of 1223313244342 is 2434423133221.

It is a junction number, because it is equal to n+sod(n) for n = 1223313244298 and 1223313244307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18087258 + ... + 18154765.

It is an arithmetic number, because the mean of its divisors is an integer number (131123642832).

Almost surely, 2^{1223313244342} is an apocalyptic number.

1223313244342 is a deficient number, since it is larger than the sum of its proper divisors (874665040970).

1223313244342 is a wasteful number, since it uses less digits than its factorization.

1223313244342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36244443.

The product of its digits is 82944, while the sum is 34.

Adding to 1223313244342 its reverse (2434423133221), we get a palindrome (3657736377563).

The spelling of 1223313244342 in words is "one trillion, two hundred twenty-three billion, three hundred thirteen million, two hundred forty-four thousand, three hundred forty-two".