1323142330 has 16 divisors (see below), whose sum is σ = 2507006880. Its totient is φ = 501401232.

The previous prime is 1323142291. The next prime is 1323142333. The reversal of 1323142330 is 332413231.

It is not an unprimeable number, because it can be changed into a prime (1323142333) 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, 3481764 + ... + 3482143.

It is an arithmetic number, because the mean of its divisors is an integer number (156687930).

Almost surely, 2^1323142330 is an apocalyptic number.

1323142330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1323142330 is a deficient number, since it is larger than the sum of its proper divisors (1183864550).

1323142330 is a wasteful number, since it uses less digits than its factorization.

1323142330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6963933.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 1323142330 is about 36375.0234364186. The cubic root of 1323142330 is about 1097.8310788652.

Adding to 1323142330 its reverse (332413231), we get a palindrome (1655555561).

The spelling of 1323142330 in words is "one billion, three hundred twenty-three million, one hundred forty-two thousand, three hundred thirty".