23867928 has 192 divisors, whose sum is σ = 80870400. Its totient is φ = 6209280.

The previous prime is 23867911. The next prime is 23867939. The reversal of 23867928 is 82976832.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 336133 + ... + 336203.

It is an arithmetic number, because the mean of its divisors is an integer number (421200).

Almost surely, 2^23867928 is an apocalyptic number.

23867928 is a gapful number since it is divisible by the number (28) 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 23867928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40435200).

23867928 is an abundant number, since it is smaller than the sum of its proper divisors (57002472).

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

23867928 is a wasteful number, since it uses less digits than its factorization.

23867928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 135 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 23867928 is about 4885.4813478305. The cubic root of 23867928 is about 287.9198272208.

The spelling of 23867928 in words is "twenty-three million, eight hundred sixty-seven thousand, nine hundred twenty-eight".