1223542304 has 24 divisors (see below), whose sum is σ = 2430173340. Its totient is φ = 606355456.

The previous prime is 1223542303. The next prime is 1223542337. The reversal of 1223542304 is 4032453221.

It can be written as a sum of positive squares in 2 ways, for example, as 1214661904 + 8880400 = 34852^2 + 2980^2 .

It is not an unprimeable number, because it can be changed into a prime (1223542301) 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 in 3 ways as a sum of consecutive naturals, for example, 165569 + ... + 172800.

Almost surely, 2^1223542304 is an apocalyptic number.

It is an amenable number.

1223542304 is a deficient number, since it is larger than the sum of its proper divisors (1206631036).

1223542304 is a wasteful number, since it uses less digits than its factorization.

1223542304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338492 (or 338484 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 1223542304 is about 34979.1695727614. The cubic root of 1223542304 is about 1069.5628994646.

Adding to 1223542304 its reverse (4032453221), we get a palindrome (5255995525).

The spelling of 1223542304 in words is "one billion, two hundred twenty-three million, five hundred forty-two thousand, three hundred four".