11523705 has 16 divisors (see below), whose sum is σ = 19522944. Its totient is φ = 5784320.

The previous prime is 11523683. The next prime is 11523731. The reversal of 11523705 is 50732511.

11523705 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11523705 - 2⁶ = 11523641 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22341 + ... + 22850.

It is an arithmetic number, because the mean of its divisors is an integer number (1220184).

Almost surely, 2^11523705 is an apocalyptic number.

11523705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11523705 is a deficient number, since it is larger than the sum of its proper divisors (7999239).

11523705 is a wasteful number, since it uses less digits than its factorization.

11523705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45216.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 11523705 is about 3394.6583038651. The cubic root of 11523705 is about 225.8728564091.

The spelling of 11523705 in words is "eleven million, five hundred twenty-three thousand, seven hundred five".