23856872 has 16 divisors (see below), whose sum is σ = 48172740. Its totient is φ = 11010816.

The previous prime is 23856869. The next prime is 23856881. The reversal of 23856872 is 27865832.

It can be written as a sum of positive squares in 2 ways, for example, as 23174596 + 682276 = 4814^2 + 826^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114593 + ... + 114800.

Almost surely, 2^23856872 is an apocalyptic number.

It is an amenable number.

23856872 is an abundant number, since it is smaller than the sum of its proper divisors (24315868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23856872 is a wasteful number, since it uses less digits than its factorization.

23856872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229412 (or 229408 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 23856872 is about 4884.3497008302. The cubic root of 23856872 is about 287.8753640225.

The spelling of 23856872 in words is "twenty-three million, eight hundred fifty-six thousand, eight hundred seventy-two".