23875387 has 4 divisors (see below), whose sum is σ = 24325920. Its totient is φ = 23424856.

The previous prime is 23875367. The next prime is 23875391. The reversal of 23875387 is 78357832.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23875387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23875367) 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, 225187 + ... + 225292.

It is an arithmetic number, because the mean of its divisors is an integer number (6081480).

Almost surely, 2^23875387 is an apocalyptic number.

23875387 is a deficient number, since it is larger than the sum of its proper divisors (450533).

23875387 is an equidigital number, since it uses as much as digits as its factorization.

23875387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450532.

The product of its digits is 282240, while the sum is 43.

The square root of 23875387 is about 4886.2446725476. The cubic root of 23875387 is about 287.9498168414.

It can be divided in two parts, 238 and 75387, that added together give a square (75625 = 275²).

The spelling of 23875387 in words is "twenty-three million, eight hundred seventy-five thousand, three hundred eighty-seven".