1223043244 has 6 divisors (see below), whose sum is σ = 2140325684. Its totient is φ = 611521620.

The previous prime is 1223043203. The next prime is 1223043247. The reversal of 1223043244 is 4423403221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1223043247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152880402 + ... + 152880409.

Almost surely, 2^1223043244 is an apocalyptic number.

It is an amenable number.

1223043244 is a deficient number, since it is larger than the sum of its proper divisors (917282440).

1223043244 is a wasteful number, since it uses less digits than its factorization.

1223043244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305760815 (or 305760813 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1223043244 is about 34972.0351709763. The cubic root of 1223043244 is about 1069.4174614611.

Adding to 1223043244 its reverse (4423403221), we get a palindrome (5646446465).

The spelling of 1223043244 in words is "one billion, two hundred twenty-three million, forty-three thousand, two hundred forty-four".