1232321329 has 8 divisors (see below), whose sum is σ = 1255044672. Its totient is φ = 1209679440.

The previous prime is 1232321327. The next prime is 1232321353. The reversal of 1232321329 is 9231232321.

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 1232321329 - 2¹ = 1232321327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1232321297 and 1232321306.

It is not an unprimeable number, because it can be changed into a prime (1232321327) 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, 10602 + ... + 50764.

It is an arithmetic number, because the mean of its divisors is an integer number (156880584).

Almost surely, 2^1232321329 is an apocalyptic number.

It is an amenable number.

1232321329 is a deficient number, since it is larger than the sum of its proper divisors (22723343).

1232321329 is an equidigital number, since it uses as much as digits as its factorization.

1232321329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40727.

The product of its digits is 3888, while the sum is 28.

The square root of 1232321329 is about 35104.4346059013. The cubic root of 1232321329 is about 1072.1148752968.

The spelling of 1232321329 in words is "one billion, two hundred thirty-two million, three hundred twenty-one thousand, three hundred twenty-nine".