11923238 has 8 divisors (see below), whose sum is σ = 17905440. Its totient is φ = 5954760.

The previous prime is 11923237. The next prime is 11923259. The reversal of 11923238 is 83232911.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11923238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11923231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 878 + ... + 4961.

It is an arithmetic number, because the mean of its divisors is an integer number (2238180).

Almost surely, 2^11923238 is an apocalyptic number.

11923238 is a deficient number, since it is larger than the sum of its proper divisors (5982202).

11923238 is a wasteful number, since it uses less digits than its factorization.

11923238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6862.

The product of its digits is 2592, while the sum is 29.

The square root of 11923238 is about 3453.0041992445. The cubic root of 11923238 is about 228.4536341339.

Subtracting from 11923238 its sum of digits (29), we obtain a square (11923209 = 3453²).

The spelling of 11923238 in words is "eleven million, nine hundred twenty-three thousand, two hundred thirty-eight".