1204404423 has 16 divisors (see below), whose sum is σ = 1758970080. Its totient is φ = 729645056.

The previous prime is 1204404391. The next prime is 1204404431. The reversal of 1204404423 is 3244044021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1204404423 - 2⁵ = 1204404391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1204404393 and 1204404402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204404463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405690 + ... + 408647.

It is an arithmetic number, because the mean of its divisors is an integer number (109935630).

Almost surely, 2^1204404423 is an apocalyptic number.

1204404423 is a deficient number, since it is larger than the sum of its proper divisors (554565657).

1204404423 is a wasteful number, since it uses less digits than its factorization.

1204404423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814386.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 1204404423 is about 34704.5302950494. The cubic root of 1204404423 is about 1063.9570923088.

Adding to 1204404423 its reverse (3244044021), we get a palindrome (4448448444).

The spelling of 1204404423 in words is "one billion, two hundred four million, four hundred four thousand, four hundred twenty-three".