23399938 has 4 divisors (see below), whose sum is σ = 35099910. Its totient is φ = 11699968.

The previous prime is 23399921. The next prime is 23399953. The reversal of 23399938 is 83999332.

It is a happy number.

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., 21743569 + 1656369 = 4663^2 + 1287^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5849983 + ... + 5849986.

Almost surely, 2^23399938 is an apocalyptic number.

23399938 is a deficient number, since it is larger than the sum of its proper divisors (11699972).

23399938 is a wasteful number, since it uses less digits than its factorization.

23399938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11699971.

The product of its digits is 314928, while the sum is 46.

The square root of 23399938 is about 4837.3482405136. The cubic root of 23399938 is about 286.0255979827.

The spelling of 23399938 in words is "twenty-three million, three hundred ninety-nine thousand, nine hundred thirty-eight".