11323215 has 24 divisors (see below), whose sum is σ = 20262528. Its totient is φ = 5843520.

The previous prime is 11323171. The next prime is 11323217. The reversal of 11323215 is 51232311.

11323215 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11323215 - 2¹⁶ = 11257679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11323217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2664 + ... + 5453.

It is an arithmetic number, because the mean of its divisors is an integer number (844272).

Almost surely, 2^11323215 is an apocalyptic number.

11323215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11323215 is a deficient number, since it is larger than the sum of its proper divisors (8939313).

11323215 is a wasteful number, since it uses less digits than its factorization.

11323215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8159 (or 8156 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 11323215 is about 3364.9985141156. The cubic root of 11323215 is about 224.5552696826. Note that the first 3 decimals are identical.

Adding to 11323215 its reverse (51232311), we get a palindrome (62555526).

The spelling of 11323215 in words is "eleven million, three hundred twenty-three thousand, two hundred fifteen".