1323322233421 has 2 divisors, whose sum is σ = 1323322233422. Its totient is φ = 1323322233420.

The previous prime is 1323322233397. The next prime is 1323322233427. The reversal of 1323322233421 is 1243322233231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 959243948100 + 364078285321 = 979410^2 + 603389^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323322233421 - 2⁷ = 1323322233293 is a prime.

It is a super-3 number, since 3×1323322233421³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323322233427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661661116710 + 661661116711.

It is an arithmetic number, because the mean of its divisors is an integer number (661661116711).

Almost surely, 2^{1323322233421} is an apocalyptic number.

It is an amenable number.

1323322233421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323322233421 is an equidigital number, since it uses as much as digits as its factorization.

1323322233421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 31.

Adding to 1323322233421 its reverse (1243322233231), we get a palindrome (2566644466652).

The spelling of 1323322233421 in words is "one trillion, three hundred twenty-three billion, three hundred twenty-two million, two hundred thirty-three thousand, four hundred twenty-one".