1223323252 has 24 divisors (see below), whose sum is σ = 2184859040. Its totient is φ = 599179680.

The previous prime is 1223323243. The next prime is 1223323259. The reversal of 1223323252 is 2523233221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223323259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35899 + ... + 61117.

Almost surely, 2^1223323252 is an apocalyptic number.

It is an amenable number.

1223323252 is a deficient number, since it is larger than the sum of its proper divisors (961535788).

1223323252 is a wasteful number, since it uses less digits than its factorization.

1223323252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25471 (or 25469 counting only the distinct ones).

The product of its digits is 4320, while the sum is 25.

The square root of 1223323252 is about 34976.0382547824. The cubic root of 1223323252 is about 1069.4990673506.

Adding to 1223323252 its reverse (2523233221), we get a palindrome (3746556473).

The spelling of 1223323252 in words is "one billion, two hundred twenty-three million, three hundred twenty-three thousand, two hundred fifty-two".