1323111320001 has 8 divisors (see below), whose sum is σ = 1960164918560. Its totient is φ = 882074213316.

The previous prime is 1323111319961. The next prime is 1323111320017. The reversal of 1323111320001 is 1000231113231.

1323111320001 is a `hidden beast` number, since 1 + 32 + 311 + 1 + 320 + 0 + 0 + 1 = 666.

It is not a de Polignac number, because 1323111320001 - 2³⁸ = 1048233413057 is a prime.

It is a super-2 number, since 2×1323111320001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323111325001) 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, 24502061455 + ... + 24502061508.

It is an arithmetic number, because the mean of its divisors is an integer number (245020614820).

Almost surely, 2^{1323111320001} is an apocalyptic number.

It is an amenable number.

1323111320001 is a deficient number, since it is larger than the sum of its proper divisors (637053598559).

1323111320001 is an equidigital number, since it uses as much as digits as its factorization.

1323111320001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49004122972 (or 49004122966 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1323111320001 its reverse (1000231113231), we get a palindrome (2323342433232).

The spelling of 1323111320001 in words is "one trillion, three hundred twenty-three billion, one hundred eleven million, three hundred twenty thousand, one".