1323003020111 has 4 divisors (see below), whose sum is σ = 1342749333912. Its totient is φ = 1303256706312.

The previous prime is 1323003020083. The next prime is 1323003020159. The reversal of 1323003020111 is 1110203003231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1323003020111 - 2²² = 1322998825807 is a prime.

It is a super-3 number, since 3×1323003020111³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1323003020111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323003040111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9873156800 + ... + 9873156933.

It is an arithmetic number, because the mean of its divisors is an integer number (335687333478).

Almost surely, 2^{1323003020111} is an apocalyptic number.

1323003020111 is a deficient number, since it is larger than the sum of its proper divisors (19746313801).

1323003020111 is an equidigital number, since it uses as much as digits as its factorization.

1323003020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19746313800.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1323003020111 its reverse (1110203003231), we get a palindrome (2433206023342).

The spelling of 1323003020111 in words is "one trillion, three hundred twenty-three billion, three million, twenty thousand, one hundred eleven".