1323441320 has 16 divisors (see below), whose sum is σ = 2977743060. Its totient is φ = 529376512.

The previous prime is 1323441281. The next prime is 1323441359. The reversal of 1323441320 is 231443231.

It is an interprime number because it is at equal distance from previous prime (1323441281) and next prime (1323441359).

It can be written as a sum of positive squares in 2 ways, for example, as 1194255364 + 129185956 = 34558^2 + 11366^2 .

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, 16542977 + ... + 16543056.

Almost surely, 2^1323441320 is an apocalyptic number.

1323441320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323441320 is an abundant number, since it is smaller than the sum of its proper divisors (1654301740).

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

1323441320 is a wasteful number, since it uses less digits than its factorization.

1323441320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33086044 (or 33086040 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1323441320 is about 36379.1330298016. The cubic root of 1323441320 is about 1097.9137648030.

Adding to 1323441320 its reverse (231443231), we get a palindrome (1554884551).

The spelling of 1323441320 in words is "one billion, three hundred twenty-three million, four hundred forty-one thousand, three hundred twenty".