1323113244 has 24 divisors (see below), whose sum is σ = 3087857808. Its totient is φ = 440952960.

The previous prime is 1323113243. The next prime is 1323113293. The reversal of 1323113244 is 4423113231.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323113243) 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 7 ways as a sum of consecutive naturals, for example, 103864 + ... + 115904.

It is an arithmetic number, because the mean of its divisors is an integer number (128660742).

Almost surely, 2^1323113244 is an apocalyptic number.

It is an amenable number.

1323113244 is an abundant number, since it is smaller than the sum of its proper divisors (1764744564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1323113244 is a wasteful number, since it uses less digits than its factorization.

1323113244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21205 (or 21203 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 1323113244 is about 36374.6236269188. The cubic root of 1323113244 is about 1097.8230344425.

Adding to 1323113244 its reverse (4423113231), we get a palindrome (5746226475).

The spelling of 1323113244 in words is "one billion, three hundred twenty-three million, one hundred thirteen thousand, two hundred forty-four".