1323001321325 has 12 divisors (see below), whose sum is σ = 1646759371488. Its totient is φ = 1054376713200.

The previous prime is 1323001321321. The next prime is 1323001321333. The reversal of 1323001321325 is 5231231003231.

It is not a de Polignac number, because 1323001321325 - 2² = 1323001321321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1323001321294 and 1323001321303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323001321321) 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 11 ways as a sum of consecutive naturals, for example, 100601891 + ... + 100615040.

It is an arithmetic number, because the mean of its divisors is an integer number (137229947624).

Almost surely, 2^{1323001321325} is an apocalyptic number.

It is an amenable number.

1323001321325 is a deficient number, since it is larger than the sum of its proper divisors (323758050163).

1323001321325 is a wasteful number, since it uses less digits than its factorization.

1323001321325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201217204 (or 201217199 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 1323001321325 its reverse (5231231003231), we get a palindrome (6554232324556).

The spelling of 1323001321325 in words is "one trillion, three hundred twenty-three billion, one million, three hundred twenty-one thousand, three hundred twenty-five".