23117438 has 8 divisors (see below), whose sum is σ = 36183888. Its totient is φ = 11056144.

The previous prime is 23117431. The next prime is 23117441. The reversal of 23117438 is 83471132.

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 23117438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23117431) 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, 251231 + ... + 251322.

It is an arithmetic number, because the mean of its divisors is an integer number (4522986).

Almost surely, 2^23117438 is an apocalyptic number.

23117438 is a deficient number, since it is larger than the sum of its proper divisors (13066450).

23117438 is a wasteful number, since it uses less digits than its factorization.

23117438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502578.

The product of its digits is 4032, while the sum is 29.

The square root of 23117438 is about 4808.0596918092. The cubic root of 23117438 is about 284.8699026616.

The spelling of 23117438 in words is "twenty-three million, one hundred seventeen thousand, four hundred thirty-eight".