11523028 has 12 divisors (see below), whose sum is σ = 21998592. Its totient is φ = 5237720.

The previous prime is 11523013. The next prime is 11523047. The reversal of 11523028 is 82032511.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130900 + ... + 130987.

It is an arithmetic number, because the mean of its divisors is an integer number (1833216).

Almost surely, 2^11523028 is an apocalyptic number.

It is an amenable number.

11523028 is a deficient number, since it is larger than the sum of its proper divisors (10475564).

11523028 is a wasteful number, since it uses less digits than its factorization.

11523028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261902 (or 261900 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 11523028 is about 3394.5585869152. The cubic root of 11523028 is about 225.8684330945.

Adding to 11523028 its reverse (82032511), we get a palindrome (93555539).

The spelling of 11523028 in words is "eleven million, five hundred twenty-three thousand, twenty-eight".