1223143344142 has 16 divisors (see below), whose sum is σ = 1842539489280. Its totient is φ = 608963925528.

The previous prime is 1223143344133. The next prime is 1223143344167. The reversal of 1223143344142 is 2414433413221.

It is a super-3 number, since 3×1223143344142³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1223143344098 and 1223143344107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6274303 + ... + 6466309.

It is an arithmetic number, because the mean of its divisors is an integer number (115158718080).

Almost surely, 2^{1223143344142} is an apocalyptic number.

1223143344142 is a deficient number, since it is larger than the sum of its proper divisors (619396145138).

1223143344142 is a wasteful number, since it uses less digits than its factorization.

1223143344142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205575.

The product of its digits is 55296, while the sum is 34.

Adding to 1223143344142 its reverse (2414433413221), we get a palindrome (3637576757363).

The spelling of 1223143344142 in words is "one trillion, two hundred twenty-three billion, one hundred forty-three million, three hundred forty-four thousand, one hundred forty-two".