23508638 has 8 divisors (see below), whose sum is σ = 35659440. Its totient is φ = 11622160.

The previous prime is 23508631. The next prime is 23508673. The reversal of 23508638 is 83680532.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 23508598 and 23508607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23508631) 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, 65858 + ... + 66213.

It is an arithmetic number, because the mean of its divisors is an integer number (4457430).

Almost surely, 2^23508638 is an apocalyptic number.

23508638 is a deficient number, since it is larger than the sum of its proper divisors (12150802).

23508638 is a wasteful number, since it uses less digits than its factorization.

23508638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132162.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 23508638 is about 4848.5707172320. The cubic root of 23508638 is about 286.4678066177.

The spelling of 23508638 in words is "twenty-three million, five hundred eight thousand, six hundred thirty-eight".