11323305 has 48 divisors (see below), whose sum is σ = 22713600. Its totient is φ = 5111424.

The previous prime is 11323303. The next prime is 11323313. The reversal of 11323305 is 50332311.

It is not a de Polignac number, because 11323305 - 2¹ = 11323303 is a prime.

It is a super-2 number, since 2×11323305² = 256434472246050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11323303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32271 + ... + 32619.

It is an arithmetic number, because the mean of its divisors is an integer number (473200).

Almost surely, 2^11323305 is an apocalyptic number.

11323305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11323305 is an abundant number, since it is smaller than the sum of its proper divisors (11390295).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11323305 is a wasteful number, since it uses less digits than its factorization.

11323305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 11323305 is about 3365.0118870518. The cubic root of 11323305 is about 224.5558646232. Note that the first 3 decimals are identical.

Adding to 11323305 its reverse (50332311), we get a palindrome (61655616).

It can be divided in two parts, 11323 and 305, that added together give a triangular number (11628 = T₁₅₂).

The spelling of 11323305 in words is "eleven million, three hundred twenty-three thousand, three hundred five".