1323404011 has 4 divisors (see below), whose sum is σ = 1348373952. Its totient is φ = 1298434072.

The previous prime is 1323403997. The next prime is 1323404057. The reversal of 1323404011 is 1104043231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1323404011 - 2²⁵ = 1289849579 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1323404011.

It is not an unprimeable number, because it can be changed into a prime (1323404711) 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 in 3 ways as a sum of consecutive naturals, for example, 12484891 + ... + 12484996.

It is an arithmetic number, because the mean of its divisors is an integer number (337093488).

Almost surely, 2^1323404011 is an apocalyptic number.

1323404011 is a deficient number, since it is larger than the sum of its proper divisors (24969941).

1323404011 is an equidigital number, since it uses as much as digits as its factorization.

1323404011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24969940.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1323404011 is about 36378.6202459632. The cubic root of 1323404011 is about 1097.9034476476.

Adding to 1323404011 its reverse (1104043231), we get a palindrome (2427447242).

The spelling of 1323404011 in words is "one billion, three hundred twenty-three million, four hundred four thousand, eleven".