23788906 has 8 divisors (see below), whose sum is σ = 35776260. Its totient is φ = 11863488.

The previous prime is 23788901. The next prime is 23788907. The reversal of 23788906 is 60988732.

It can be written as a sum of positive squares in 2 ways, for example, as 22705225 + 1083681 = 4765^2 + 1041^2 .

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

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (23788901) 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, 14511 + ... + 16066.

Almost surely, 2^23788906 is an apocalyptic number.

23788906 is a deficient number, since it is larger than the sum of its proper divisors (11987354).

23788906 is a wasteful number, since it uses less digits than its factorization.

23788906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30968.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 23788906 is about 4877.3872103822. The cubic root of 23788906 is about 287.6017273282.

The spelling of 23788906 in words is "twenty-three million, seven hundred eighty-eight thousand, nine hundred six".