1321423411024 has 10 divisors (see below), whose sum is σ = 2560257858890. Its totient is φ = 660711705504.

The previous prime is 1321423411003. The next prime is 1321423411037. The reversal of 1321423411024 is 4201143241231.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1109584143424 + 211839267600 = 1053368^2 + 460260^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1321423410983 and 1321423411001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41294481579 + ... + 41294481610.

It is an arithmetic number, because the mean of its divisors is an integer number (256025785889).

Almost surely, 2^{1321423411024} is an apocalyptic number.

It is an amenable number.

1321423411024 is a deficient number, since it is larger than the sum of its proper divisors (1238834447866).

1321423411024 is an equidigital number, since it uses as much as digits as its factorization.

1321423411024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82588963197 (or 82588963191 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1321423411024 its reverse (4201143241231), we get a palindrome (5522566652255).

The spelling of 1321423411024 in words is "one trillion, three hundred twenty-one billion, four hundred twenty-three million, four hundred eleven thousand, twenty-four".