23983128 has 144 divisors (see below), whose sum is σ = 73939320. Its totient is φ = 7278336.

The previous prime is 23983123. The next prime is 23983159. The reversal of 23983128 is 82138932.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 23983092 and 23983101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23983123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 328500 + ... + 328572.

Almost surely, 2^23983128 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 23983128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36969660).

23983128 is an abundant number, since it is smaller than the sum of its proper divisors (49956192).

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

23983128 is a wasteful number, since it uses less digits than its factorization.

23983128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 91 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 23983128 is about 4897.2571915308. The cubic root of 23983128 is about 288.3823047860.

The spelling of 23983128 in words is "twenty-three million, nine hundred eighty-three thousand, one hundred twenty-eight".