1323110111 has 2 divisors, whose sum is σ = 1323110112. Its totient is φ = 1323110110.

The previous prime is 1323110093. The next prime is 1323110141. The reversal of 1323110111 is 1110113231.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1323110111 - 2¹⁴ = 1323093727 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323110141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661555055 + 661555056.

It is an arithmetic number, because the mean of its divisors is an integer number (661555056).

Almost surely, 2^1323110111 is an apocalyptic number.

1323110111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323110111 is an equidigital number, since it uses as much as digits as its factorization.

1323110111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1323110111 is about 36374.5805611556. The cubic root of 1323110111 is about 1097.8221679300.

Adding to 1323110111 its reverse (1110113231), we get a palindrome (2433223342).

The spelling of 1323110111 in words is "one billion, three hundred twenty-three million, one hundred ten thousand, one hundred eleven".