1243344404 has 12 divisors (see below), whose sum is σ = 2246041728. Its totient is φ = 601618200.

The previous prime is 1243344397. The next prime is 1243344413. The reversal of 1243344404 is 4044433421.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5013362 + ... + 5013609.

It is an arithmetic number, because the mean of its divisors is an integer number (187170144).

Almost surely, 2^1243344404 is an apocalyptic number.

It is an amenable number.

1243344404 is a deficient number, since it is larger than the sum of its proper divisors (1002697324).

1243344404 is a wasteful number, since it uses less digits than its factorization.

1243344404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10027006 (or 10027004 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

The square root of 1243344404 is about 35261.0890926528. The cubic root of 1243344404 is about 1075.3020687811.

Adding to 1243344404 its reverse (4044433421), we get a palindrome (5287777825).

The spelling of 1243344404 in words is "one billion, two hundred forty-three million, three hundred forty-four thousand, four hundred four".