23838842 has 4 divisors (see below), whose sum is σ = 35758266. Its totient is φ = 11919420.

The previous prime is 23838839. The next prime is 23838847. The reversal of 23838842 is 24883832.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23512801 + 326041 = 4849^2 + 571^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23838796 and 23838805.

It is not an unprimeable number, because it can be changed into a prime (23838847) 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 as a sum of consecutive naturals, namely, 5959709 + ... + 5959712.

Almost surely, 2^23838842 is an apocalyptic number.

23838842 is a deficient number, since it is larger than the sum of its proper divisors (11919424).

23838842 is a wasteful number, since it uses less digits than its factorization.

23838842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11919423.

The product of its digits is 73728, while the sum is 38.

The square root of 23838842 is about 4882.5036610329. The cubic root of 23838842 is about 287.8028244635.

The spelling of 23838842 in words is "twenty-three million, eight hundred thirty-eight thousand, eight hundred forty-two".