1204430323 has 2 divisors, whose sum is σ = 1204430324. Its totient is φ = 1204430322.

The previous prime is 1204430317. The next prime is 1204430389. The reversal of 1204430323 is 3230344021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1204430323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1204430294 and 1204430303.

It is not a weakly prime, because it can be changed into another prime (1204430393) by changing a digit.

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 as a sum of consecutive naturals, namely, 602215161 + 602215162.

It is an arithmetic number, because the mean of its divisors is an integer number (602215162).

Almost surely, 2^1204430323 is an apocalyptic number.

1204430323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204430323 is an equidigital number, since it uses as much as digits as its factorization.

1204430323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1204430323 is about 34704.9034431736. The cubic root of 1204430323 is about 1063.9647188421.

Adding to 1204430323 its reverse (3230344021), we get a palindrome (4434774344).

The spelling of 1204430323 in words is "one billion, two hundred four million, four hundred thirty thousand, three hundred twenty-three".