23878928 has 30 divisors (see below), whose sum is σ = 47836782. Its totient is φ = 11546880.

The previous prime is 23878913. The next prime is 23878973. The reversal of 23878928 is 82987832.

It can be written as a sum of positive squares in only one way, i.e., 15745024 + 8133904 = 3968^2 + 2852^2 .

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 5 ways as a sum of consecutive naturals, for example, 14600 + ... + 16152.

Almost surely, 2^23878928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23878928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23918391).

23878928 is an abundant number, since it is smaller than the sum of its proper divisors (23957854).

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

23878928 is a wasteful number, since it uses less digits than its factorization.

23878928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623 (or 1586 counting only the distinct ones).

The product of its digits is 387072, while the sum is 47.

The square root of 23878928 is about 4886.6070028190. The cubic root of 23878928 is about 287.9640515830.

The spelling of 23878928 in words is "twenty-three million, eight hundred seventy-eight thousand, nine hundred twenty-eight".