11523723 has 8 divisors (see below), whose sum is σ = 15860736. Its totient is φ = 7434600.

The previous prime is 11523683. The next prime is 11523731. The reversal of 11523723 is 32732511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11523723 - 2¹⁷ = 11392651 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 11523693 and 11523702.

It is not an unprimeable number, because it can be changed into a prime (11523763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61863 + ... + 62048.

It is an arithmetic number, because the mean of its divisors is an integer number (1982592).

Almost surely, 2^11523723 is an apocalyptic number.

11523723 is a deficient number, since it is larger than the sum of its proper divisors (4337013).

11523723 is a wasteful number, since it uses less digits than its factorization.

11523723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123945.

The product of its digits is 1260, while the sum is 24.

The square root of 11523723 is about 3394.6609550882. The cubic root of 11523723 is about 225.8729740133.

It can be divided in two parts, 11523 and 723, that added together give a triangular number (12246 = T₁₅₆).

The spelling of 11523723 in words is "eleven million, five hundred twenty-three thousand, seven hundred twenty-three".