1323512404 has 24 divisors (see below), whose sum is σ = 2334774848. Its totient is φ = 656449920.

The previous prime is 1323512401. The next prime is 1323512413. The reversal of 1323512404 is 4042153231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323512401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409804 + ... + 413020.

Almost surely, 2^1323512404 is an apocalyptic number.

It is an amenable number.

1323512404 is a deficient number, since it is larger than the sum of its proper divisors (1011262444).

1323512404 is a wasteful number, since it uses less digits than its factorization.

1323512404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4015 (or 4013 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1323512404 is about 36380.1100053312. The cubic root of 1323512404 is about 1097.9334213111.

Adding to 1323512404 its reverse (4042153231), we get a palindrome (5365665635).

The spelling of 1323512404 in words is "one billion, three hundred twenty-three million, five hundred twelve thousand, four hundred four".