1100001323 has 2 divisors, whose sum is σ = 1100001324. Its totient is φ = 1100001322.

The previous prime is 1100001317. The next prime is 1100001391. The reversal of 1100001323 is 3231000011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1100001323 - 2¹⁰ = 1100000299 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100001313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550000661 + 550000662.

It is an arithmetic number, because the mean of its divisors is an integer number (550000662).

Almost surely, 2^1100001323 is an apocalyptic number.

1100001323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100001323 is an equidigital number, since it uses as much as digits as its factorization.

1100001323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1100001323 is about 33166.2678485234. The cubic root of 1100001323 is about 1032.2805293067.

Adding to 1100001323 its reverse (3231000011), we get a palindrome (4331001334).

The spelling of 1100001323 in words is "one billion, one hundred million, one thousand, three hundred twenty-three".