1323411221 has 8 divisors (see below), whose sum is σ = 1459944000. Its totient is φ = 1189582240.

The previous prime is 1323411197. The next prime is 1323411277. The reversal of 1323411221 is 1221143231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1323411221 - 2⁶ = 1323411157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1323411193 and 1323411202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323411281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 674921 + ... + 676878.

It is an arithmetic number, because the mean of its divisors is an integer number (182493000).

Almost surely, 2^1323411221 is an apocalyptic number.

1323411221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1323411221 is a deficient number, since it is larger than the sum of its proper divisors (136532779).

1323411221 is a wasteful number, since it uses less digits than its factorization.

1323411221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351899.

The product of its digits is 288, while the sum is 20.

The square root of 1323411221 is about 36378.7193424947. The cubic root of 1323411221 is about 1097.9054414629.

Adding to 1323411221 its reverse (1221143231), we get a palindrome (2544554452).

The spelling of 1323411221 in words is "one billion, three hundred twenty-three million, four hundred eleven thousand, two hundred twenty-one".