1323232009 has 8 divisors (see below), whose sum is σ = 1528439328. Its totient is φ = 1132176960.

The previous prime is 1323232003. The next prime is 1323232013. The reversal of 1323232009 is 9002323231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1323232009 - 2¹¹ = 1323229961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323232003) 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, 3537867 + ... + 3538240.

It is an arithmetic number, because the mean of its divisors is an integer number (191054916).

Almost surely, 2^1323232009 is an apocalyptic number.

It is an amenable number.

1323232009 is a deficient number, since it is larger than the sum of its proper divisors (205207319).

1323232009 is a wasteful number, since it uses less digits than its factorization.

1323232009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7076135.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 1323232009 is about 36376.2561157687. The cubic root of 1323232009 is about 1097.8558809763.

It can be divided in two parts, 1323 and 232009, that added together give a palindrome (233332).

The spelling of 1323232009 in words is "one billion, three hundred twenty-three million, two hundred thirty-two thousand, nine".