1321423411001 has 4 divisors (see below), whose sum is σ = 1390972011600. Its totient is φ = 1251874810404.

The previous prime is 1321423410949. The next prime is 1321423411003. The reversal of 1321423411001 is 1001143241231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1321423411001 - 2³⁴ = 1304243541817 is a prime.

It is a super-2 number, since 2×1321423411001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1321423411003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34774300271 + ... + 34774300308.

It is an arithmetic number, because the mean of its divisors is an integer number (347743002900).

Almost surely, 2^{1321423411001} is an apocalyptic number.

It is an amenable number.

1321423411001 is a deficient number, since it is larger than the sum of its proper divisors (69548600599).

1321423411001 is an equidigital number, since it uses as much as digits as its factorization.

1321423411001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69548600598.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1321423411001 its reverse (1001143241231), we get a palindrome (2322566652232).

The spelling of 1321423411001 in words is "one trillion, three hundred twenty-one billion, four hundred twenty-three million, four hundred eleven thousand, one".