23780928 has 56 divisors (see below), whose sum is σ = 65105280. Its totient is φ = 7651840.

The previous prime is 23780921. The next prime is 23780929. The reversal of 23780928 is 82908732.

It is not an unprimeable number, because it can be changed into a prime (23780921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3433 + ... + 7703.

Almost surely, 2^23780928 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 23780928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32552640).

23780928 is an abundant number, since it is smaller than the sum of its proper divisors (41324352).

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

23780928 is a wasteful number, since it uses less digits than its factorization.

23780928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4315 (or 4305 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 23780928 is about 4876.5692858812. The cubic root of 23780928 is about 287.5695730805.

The spelling of 23780928 in words is "twenty-three million, seven hundred eighty thousand, nine hundred twenty-eight".