11687423 has 8 divisors (see below), whose sum is σ = 12775296. Its totient is φ = 10603800.

The previous prime is 11687407. The next prime is 11687441. The reversal of 11687423 is 32478611.

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

It is a cyclic number.

It is not a de Polignac number, because 11687423 - 2⁴ = 11687407 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 11687423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11687453) 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, 8408 + ... + 9698.

It is an arithmetic number, because the mean of its divisors is an integer number (1596912).

Almost surely, 2^11687423 is an apocalyptic number.

11687423 is a deficient number, since it is larger than the sum of its proper divisors (1087873).

11687423 is a wasteful number, since it uses less digits than its factorization.

11687423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125.

The product of its digits is 8064, while the sum is 32.

The square root of 11687423 is about 3418.6873211805. The cubic root of 11687423 is about 226.9374937061.

The spelling of 11687423 in words is "eleven million, six hundred eighty-seven thousand, four hundred twenty-three".