23403875 has 16 divisors (see below), whose sum is σ = 31865184. Its totient is φ = 17020000.

The previous prime is 23403851. The next prime is 23403929. The reversal of 23403875 is 57830432.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-23403875 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7136 + ... + 9885.

It is an arithmetic number, because the mean of its divisors is an integer number (1991574).

Almost surely, 2^23403875 is an apocalyptic number.

23403875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23403875 is a deficient number, since it is larger than the sum of its proper divisors (8461309).

23403875 is a wasteful number, since it uses less digits than its factorization.

23403875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17047 (or 17037 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 23403875 is about 4837.7551612292. The cubic root of 23403875 is about 286.0416381909.

The spelling of 23403875 in words is "twenty-three million, four hundred three thousand, eight hundred seventy-five".