1320023322321 has 16 divisors (see below), whose sum is σ = 1924407598080. Its totient is φ = 798191770320.

The previous prime is 1320023322269. The next prime is 1320023322329. The reversal of 1320023322321 is 1232233200231.

It is not a de Polignac number, because 1320023322321 - 2⁷ = 1320023322193 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1320023322291 and 1320023322300.

It is not an unprimeable number, because it can be changed into a prime (1320023322329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45544405 + ... + 45573378.

It is an arithmetic number, because the mean of its divisors is an integer number (120275474880).

Almost surely, 2^{1320023322321} is an apocalyptic number.

1320023322321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1320023322321 is a deficient number, since it is larger than the sum of its proper divisors (604384275759).

1320023322321 is a wasteful number, since it uses less digits than its factorization.

1320023322321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91118236.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 1320023322321 its reverse (1232233200231), we get a palindrome (2552256522552).

The spelling of 1320023322321 in words is "one trillion, three hundred twenty billion, twenty-three million, three hundred twenty-two thousand, three hundred twenty-one".