23861128 has 16 divisors (see below), whose sum is σ = 44879760. Its totient is φ = 11893200.

The previous prime is 23861119. The next prime is 23861129. The reversal of 23861128 is 82116832.

It is a self number, because there is not a number n which added to its sum of digits gives 23861128.

It is not an unprimeable number, because it can be changed into a prime (23861129) by changing a digit.

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, 1858 + ... + 7153.

It is an arithmetic number, because the mean of its divisors is an integer number (2804985).

Almost surely, 2^23861128 is an apocalyptic number.

It is an amenable number.

23861128 is a deficient number, since it is larger than the sum of its proper divisors (21018632).

23861128 is a wasteful number, since it uses less digits than its factorization.

23861128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9348 (or 9344 counting only the distinct ones).

The product of its digits is 4608, while the sum is 31.

The square root of 23861128 is about 4884.7853586417. The cubic root of 23861128 is about 287.8924817276.

The spelling of 23861128 in words is "twenty-three million, eight hundred sixty-one thousand, one hundred twenty-eight".