11523506 has 16 divisors (see below), whose sum is σ = 18620928. Its totient is φ = 5332800.

The previous prime is 11523497. The next prime is 11523553. The reversal of 11523506 is 60532511.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2615 + ... + 5466.

It is an arithmetic number, because the mean of its divisors is an integer number (1163808).

Almost surely, 2^11523506 is an apocalyptic number.

11523506 is a deficient number, since it is larger than the sum of its proper divisors (7097422).

11523506 is a wasteful number, since it uses less digits than its factorization.

11523506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8137.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 11523506 is about 3394.6289929829. The cubic root of 11523506 is about 225.8715562208.

The spelling of 11523506 in words is "eleven million, five hundred twenty-three thousand, five hundred six".