1323143304 has 128 divisors (see below), whose sum is σ = 3877735680. Its totient is φ = 368409600.

The previous prime is 1323143293. The next prime is 1323143317. The reversal of 1323143304 is 4033413231.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1611214 + ... + 1612034.

It is an arithmetic number, because the mean of its divisors is an integer number (30294810).

Almost surely, 2^1323143304 is an apocalyptic number.

1323143304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1323143304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1938867840).

1323143304 is an abundant number, since it is smaller than the sum of its proper divisors (2554592376).

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

1323143304 is a wasteful number, since it uses less digits than its factorization.

1323143304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071 (or 1067 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 1323143304 is about 36375.0368247236. The cubic root of 1323143304 is about 1097.8313482460.

Adding to 1323143304 its reverse (4033413231), we get a palindrome (5356556535).

The spelling of 1323143304 in words is "one billion, three hundred twenty-three million, one hundred forty-three thousand, three hundred four".