11288823 has 16 divisors (see below), whose sum is σ = 18525696. Its totient is φ = 5954400.

The previous prime is 11288819. The next prime is 11288839. The reversal of 11288823 is 32888211.

11288823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11288823 - 2² = 11288819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11288873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20403 + ... + 20948.

It is an arithmetic number, because the mean of its divisors is an integer number (1157856).

Almost surely, 2^11288823 is an apocalyptic number.

11288823 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11288823 is a deficient number, since it is larger than the sum of its proper divisors (7236873).

11288823 is a wasteful number, since it uses less digits than its factorization.

11288823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41374.

The product of its digits is 6144, while the sum is 33.

The square root of 11288823 is about 3359.8843730105. The cubic root of 11288823 is about 224.3276918854.

The spelling of 11288823 in words is "eleven million, two hundred eighty-eight thousand, eight hundred twenty-three".