23288938 has 4 divisors (see below), whose sum is σ = 34933410. Its totient is φ = 11644468.

The previous prime is 23288921. The next prime is 23288957. The reversal of 23288938 is 83988232.

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., 23011209 + 277729 = 4797^2 + 527^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23288894 and 23288903.

It is an unprimeable number.

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, 5822233 + ... + 5822236.

Almost surely, 2^23288938 is an apocalyptic number.

23288938 is a deficient number, since it is larger than the sum of its proper divisors (11644472).

23288938 is a wasteful number, since it uses less digits than its factorization.

23288938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11644471.

The product of its digits is 165888, while the sum is 43.

The square root of 23288938 is about 4825.8613738896. The cubic root of 23288938 is about 285.5726170761.

The spelling of 23288938 in words is "twenty-three million, two hundred eighty-eight thousand, nine hundred thirty-eight".