1223343452 has 24 divisors (see below), whose sum is σ = 2212479360. Its totient is φ = 591252480.

The previous prime is 1223343449. The next prime is 1223343461. The reversal of 1223343452 is 2543433221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110924 + ... + 121452.

It is an arithmetic number, because the mean of its divisors is an integer number (92186640).

Almost surely, 2^1223343452 is an apocalyptic number.

It is an amenable number.

1223343452 is a deficient number, since it is larger than the sum of its proper divisors (989135908).

1223343452 is a wasteful number, since it uses less digits than its factorization.

1223343452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11501 (or 11499 counting only the distinct ones).

The product of its digits is 17280, while the sum is 29.

The square root of 1223343452 is about 34976.3270227164. The cubic root of 1223343452 is about 1069.5049539828.

Adding to 1223343452 its reverse (2543433221), we get a palindrome (3766776673).

The spelling of 1223343452 in words is "one billion, two hundred twenty-three million, three hundred forty-three thousand, four hundred fifty-two".