23681875 has 20 divisors (see below), whose sum is σ = 33826672. Its totient is φ = 16236000.

The previous prime is 23681873. The next prime is 23681891. The reversal of 23681875 is 57818632.

It is not a de Polignac number, because 23681875 - 2¹ = 23681873 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23681873) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1669 + ... + 7081.

Almost surely, 2^23681875 is an apocalyptic number.

23681875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23681875 is a deficient number, since it is larger than the sum of its proper divisors (10144797).

23681875 is an frugal number, since it uses more digits than its factorization.

23681875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5440 (or 5425 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 23681875 is about 4866.4026754883. The cubic root of 23681875 is about 287.1697531208.

The spelling of 23681875 in words is "twenty-three million, six hundred eighty-one thousand, eight hundred seventy-five".