1323111010321 has 8 divisors (see below), whose sum is σ = 1328267009024. Its totient is φ = 1317964919040.

The previous prime is 1323111010303. The next prime is 1323111010349. The reversal of 1323111010321 is 1230101113231.

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 1323111010321 - 2¹¹ = 1323111008273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323111010301) 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, 2209185 + ... + 2743486.

It is an arithmetic number, because the mean of its divisors is an integer number (166033376128).

Almost surely, 2^{1323111010321} is an apocalyptic number.

It is an amenable number.

1323111010321 is a deficient number, since it is larger than the sum of its proper divisors (5155998703).

1323111010321 is an equidigital number, since it uses as much as digits as its factorization.

1323111010321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4953711.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1323111010321 its reverse (1230101113231), we get a palindrome (2553212123552).

The spelling of 1323111010321 in words is "one trillion, three hundred twenty-three billion, one hundred eleven million, ten thousand, three hundred twenty-one".