1323011323321 has 8 divisors (see below), whose sum is σ = 1336941453344. Its totient is φ = 1309087128960.

The previous prime is 1323011323303. The next prime is 1323011323351. The reversal of 1323011323321 is 1233231103231.

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 1323011323321 - 2⁵ = 1323011323289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323011323351) 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, 1035075 + ... + 1928056.

It is an arithmetic number, because the mean of its divisors is an integer number (167117681668).

Almost surely, 2^{1323011323321} is an apocalyptic number.

It is an amenable number.

1323011323321 is a deficient number, since it is larger than the sum of its proper divisors (13930130023).

1323011323321 is an equidigital number, since it uses as much as digits as its factorization.

1323011323321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2967831.

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

Adding to 1323011323321 its reverse (1233231103231), we get a palindrome (2556242426552).

The spelling of 1323011323321 in words is "one trillion, three hundred twenty-three billion, eleven million, three hundred twenty-three thousand, three hundred twenty-one".