1323111441 has 8 divisors (see below), whose sum is σ = 1774713024. Its totient is φ = 876792080.

The previous prime is 1323111437. The next prime is 1323111443. The reversal of 1323111441 is 1441113231.

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

It is a cyclic number.

It is not a de Polignac number, because 1323111441 - 2² = 1323111437 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1323111443) 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, 1319970 + ... + 1320971.

It is an arithmetic number, because the mean of its divisors is an integer number (221839128).

Almost surely, 2^1323111441 is an apocalyptic number.

It is an amenable number.

1323111441 is a deficient number, since it is larger than the sum of its proper divisors (451601583).

1323111441 is a wasteful number, since it uses less digits than its factorization.

1323111441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641111.

The product of its digits is 288, while the sum is 21.

The square root of 1323111441 is about 36374.5988431488. The cubic root of 1323111441 is about 1097.8225357762.

Adding to 1323111441 its reverse (1441113231), we get a palindrome (2764224672).

The spelling of 1323111441 in words is "one billion, three hundred twenty-three million, one hundred eleven thousand, four hundred forty-one".