1323111001 has 8 divisors (see below), whose sum is σ = 1333640000. Its totient is φ = 1312621200.

The previous prime is 1323110981. The next prime is 1323111007. The reversal of 1323111001 is 1001113231.

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 1323111001 - 2¹¹ = 1323108953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323111007) 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, 59926 + ... + 78976.

It is an arithmetic number, because the mean of its divisors is an integer number (166705000).

Almost surely, 2^1323111001 is an apocalyptic number.

It is an amenable number.

1323111001 is a deficient number, since it is larger than the sum of its proper divisors (10528999).

1323111001 is a wasteful number, since it uses less digits than its factorization.

1323111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19599.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1323111001 is about 36374.5927949716. The cubic root of 1323111001 is about 1097.8224140828.

Adding to 1323111001 its reverse (1001113231), we get a palindrome (2324224232).

The spelling of 1323111001 in words is "one billion, three hundred twenty-three million, one hundred eleven thousand, one".