1243323422 has 16 divisors (see below), whose sum is σ = 2064897792. Its totient is φ = 556711320.

The previous prime is 1243323391. The next prime is 1243323451. The reversal of 1243323422 is 2243233421.

It is a junction number, because it is equal to n+sod(n) for n = 1243323391 and 1243323400.

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, 420278 + ... + 423225.

It is an arithmetic number, because the mean of its divisors is an integer number (129056112).

Almost surely, 2^1243323422 is an apocalyptic number.

1243323422 is a deficient number, since it is larger than the sum of its proper divisors (821574370).

1243323422 is a wasteful number, since it uses less digits than its factorization.

1243323422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843583.

The product of its digits is 6912, while the sum is 26.

The square root of 1243323422 is about 35260.7915679725. The cubic root of 1243323422 is about 1075.2960200106.

Adding to 1243323422 its reverse (2243233421), we get a palindrome (3486556843).

Subtracting 1243323422 from its reverse (2243233421), we obtain a palindrome (999909999).

The spelling of 1243323422 in words is "one billion, two hundred forty-three million, three hundred twenty-three thousand, four hundred twenty-two".