11523743 has 16 divisors (see below), whose sum is σ = 14516736. Its totient is φ = 8886240.

The previous prime is 11523731. The next prime is 11523749. The reversal of 11523743 is 34732511.

11523743 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 11523743 - 2¹⁶ = 11458207 is a prime.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11523749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7205 + ... + 8657.

It is an arithmetic number, because the mean of its divisors is an integer number (907296).

Almost surely, 2^11523743 is an apocalyptic number.

11523743 is a deficient number, since it is larger than the sum of its proper divisors (2992993).

11523743 is a wasteful number, since it uses less digits than its factorization.

11523743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574.

The product of its digits is 2520, while the sum is 26.

The square root of 11523743 is about 3394.6639008892. The cubic root of 11523743 is about 225.8731046845.

The spelling of 11523743 in words is "eleven million, five hundred twenty-three thousand, seven hundred forty-three".