11423523 has 8 divisors (see below), whose sum is σ = 15351808. Its totient is φ = 7555464.

The previous prime is 11423501. The next prime is 11423537. The reversal of 11423523 is 32532411.

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

It is not a de Polignac number, because 11423523 - 2⁶ = 11423459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11423523.

It is not an unprimeable number, because it can be changed into a prime (11423023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14611 + ... + 15372.

It is an arithmetic number, because the mean of its divisors is an integer number (1918976).

Almost surely, 2^11423523 is an apocalyptic number.

11423523 is a deficient number, since it is larger than the sum of its proper divisors (3928285).

11423523 is a wasteful number, since it uses less digits than its factorization.

11423523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30113.

The product of its digits is 720, while the sum is 21.

The square root of 11423523 is about 3379.8702637823. The cubic root of 11423523 is about 225.2164041423.

Adding to 11423523 its reverse (32532411), we get a palindrome (43955934).

The spelling of 11423523 in words is "eleven million, four hundred twenty-three thousand, five hundred twenty-three".