23871984 has 80 divisors (see below), whose sum is σ = 64948224. Its totient is φ = 7545600.

The previous prime is 23871973. The next prime is 23871989. The reversal of 23871984 is 48917832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23871989) 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 15 ways as a sum of consecutive naturals, for example, 90637 + ... + 90899.

Almost surely, 2^23871984 is an apocalyptic number.

23871984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23871984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32474112).

23871984 is an abundant number, since it is smaller than the sum of its proper divisors (41076240).

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

23871984 is a wasteful number, since it uses less digits than its factorization.

23871984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 360 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 23871984 is about 4885.8964377072. The cubic root of 23871984 is about 287.9361355304.

It can be divided in two parts, 2387 and 1984, that added together give a triangular number (4371 = T₉₃).

The spelling of 23871984 in words is "twenty-three million, eight hundred seventy-one thousand, nine hundred eighty-four".