11723328 has 42 divisors (see below), whose sum is σ = 33604454. Its totient is φ = 3907584.

The previous prime is 11723303. The next prime is 11723329. The reversal of 11723328 is 82332711.

It can be written as a sum of positive squares in only one way, i.e., 9437184 + 2286144 = 3072^2 + 1512^2 .

It is not an unprimeable number, because it can be changed into a prime (11723329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9601 + ... + 10752.

Almost surely, 2^11723328 is an apocalyptic number.

11723328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11723328 is an abundant number, since it is smaller than the sum of its proper divisors (21881126).

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

11723328 is a wasteful number, since it uses less digits than its factorization.

11723328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20371 (or 20358 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 11723328 is about 3423.9345788143. The cubic root of 11723328 is about 227.1696481309.

The spelling of 11723328 in words is "eleven million, seven hundred twenty-three thousand, three hundred twenty-eight".