1223234452 has 12 divisors (see below), whose sum is σ = 2335265856. Its totient is φ = 556015640.

The previous prime is 1223234449. The next prime is 1223234491. The reversal of 1223234452 is 2544323221.

It is a self number, because there is not a number n which added to its sum of digits gives 1223234452.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 13900348 + ... + 13900435.

It is an arithmetic number, because the mean of its divisors is an integer number (194605488).

Almost surely, 2^1223234452 is an apocalyptic number.

It is an amenable number.

1223234452 is a deficient number, since it is larger than the sum of its proper divisors (1112031404).

1223234452 is a wasteful number, since it uses less digits than its factorization.

1223234452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27800798 (or 27800796 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 1223234452 is about 34974.7687912301. The cubic root of 1223234452 is about 1069.4731887136.

Adding to 1223234452 its reverse (2544323221), we get a palindrome (3767557673).

The spelling of 1223234452 in words is "one billion, two hundred twenty-three million, two hundred thirty-four thousand, four hundred fifty-two".