11323155 has 8 divisors (see below), whose sum is σ = 18117072. Its totient is φ = 6039008.

The previous prime is 11323141. The next prime is 11323157. The reversal of 11323155 is 55132311.

11323155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11323155 - 2⁷ = 11323027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11323157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377424 + ... + 377453.

It is an arithmetic number, because the mean of its divisors is an integer number (2264634).

Almost surely, 2^11323155 is an apocalyptic number.

11323155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11323155 is a deficient number, since it is larger than the sum of its proper divisors (6793917).

11323155 is an equidigital number, since it uses as much as digits as its factorization.

11323155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754885.

The product of its digits is 450, while the sum is 21.

The square root of 11323155 is about 3364.9895987952. The cubic root of 11323155 is about 224.5548730538.

Adding to 11323155 its reverse (55132311), we get a palindrome (66455466).

The spelling of 11323155 in words is "eleven million, three hundred twenty-three thousand, one hundred fifty-five".