11001323 has 4 divisors (see below), whose sum is σ = 11580360. Its totient is φ = 10422288.

The previous prime is 11001313. The next prime is 11001371. The reversal of 11001323 is 32310011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32310011 = 2143 ⋅15077.

It is a cyclic number.

It is not a de Polignac number, because 11001323 - 2¹⁰ = 11000299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11001313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289490 + ... + 289527.

It is an arithmetic number, because the mean of its divisors is an integer number (2895090).

Almost surely, 2^11001323 is an apocalyptic number.

11001323 is a deficient number, since it is larger than the sum of its proper divisors (579037).

11001323 is an equidigital number, since it uses as much as digits as its factorization.

11001323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579036.

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

The square root of 11001323 is about 3316.8242341131. The cubic root of 11001323 is about 222.4069248379.

Adding to 11001323 its reverse (32310011), we get a palindrome (43311334).

The spelling of 11001323 in words is "eleven million, one thousand, three hundred twenty-three".