23443128 has 32 divisors (see below), whose sum is σ = 65120400. Its totient is φ = 7814304.

The previous prime is 23443111. The next prime is 23443129. The reversal of 23443128 is 82134432.

23443128 is a `hidden beast` number, since 2 + 344 + 312 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23443129) 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, 54051 + ... + 54482.

Almost surely, 2^23443128 is an apocalyptic number.

It is an amenable number.

23443128 is an abundant number, since it is smaller than the sum of its proper divisors (41677272).

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

23443128 is a wasteful number, since it uses less digits than its factorization.

23443128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108548 (or 108538 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 23443128 is about 4841.8104052100. The cubic root of 23443128 is about 286.2014653002.

The spelling of 23443128 in words is "twenty-three million, four hundred forty-three thousand, one hundred twenty-eight".