1223430134444 has 48 divisors (see below), whose sum is σ = 2449292993280. Its totient is φ = 523806212160.

The previous prime is 1223430134431. The next prime is 1223430134473. The reversal of 1223430134444 is 4444310343221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147095774 + ... + 147104090.

It is an arithmetic number, because the mean of its divisors is an integer number (51026937360).

Almost surely, 2^{1223430134444} is an apocalyptic number.

1223430134444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1223430134444 is an abundant number, since it is smaller than the sum of its proper divisors (1225862858836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223430134444 is a wasteful number, since it uses less digits than its factorization.

1223430134444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12918 (or 12916 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 1223430134444 its reverse (4444310343221), we get a palindrome (5667740477665).

The spelling of 1223430134444 in words is "one trillion, two hundred twenty-three billion, four hundred thirty million, one hundred thirty-four thousand, four hundred forty-four".