11423828 has 12 divisors (see below), whose sum is σ = 21529620. Its totient is φ = 5272512.

The previous prime is 11423827. The next prime is 11423831. The reversal of 11423828 is 82832411.

It can be written as a sum of positive squares in 2 ways, for example, as 6980164 + 4443664 = 2642^2 + 2108^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11423828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11423821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109793 + ... + 109896.

It is an arithmetic number, because the mean of its divisors is an integer number (1794135).

Almost surely, 2^11423828 is an apocalyptic number.

It is an amenable number.

11423828 is a deficient number, since it is larger than the sum of its proper divisors (10105792).

11423828 is a wasteful number, since it uses less digits than its factorization.

11423828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219706 (or 219704 counting only the distinct ones).

The product of its digits is 3072, while the sum is 29.

The square root of 11423828 is about 3379.9153835562. The cubic root of 11423828 is about 225.2184084974.

The spelling of 11423828 in words is "eleven million, four hundred twenty-three thousand, eight hundred twenty-eight".