23409338 has 4 divisors (see below), whose sum is σ = 35114010. Its totient is φ = 11704668.

The previous prime is 23409317. The next prime is 23409361. The reversal of 23409338 is 83390432.

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., 23396569 + 12769 = 4837^2 + 113^2 .

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, 5852333 + ... + 5852336.

Almost surely, 2^23409338 is an apocalyptic number.

23409338 is a deficient number, since it is larger than the sum of its proper divisors (11704672).

23409338 is a wasteful number, since it uses less digits than its factorization.

23409338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11704671.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 23409338 is about 4838.3197496652. The cubic root of 23409338 is about 286.0638926808.

The spelling of 23409338 in words is "twenty-three million, four hundred nine thousand, three hundred thirty-eight".