2023128 has 24 divisors (see below), whose sum is σ = 5479500. Its totient is φ = 674352.

The previous prime is 2023121. The next prime is 2023141. The reversal of 2023128 is 8213202.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 2023128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13978 + ... + 14121.

2^2023128 is an apocalyptic number.

It is an amenable number.

2023128 is an abundant number, since it is smaller than the sum of its proper divisors (3456372).

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

2023128 is a wasteful number, since it uses less digits than its factorization.

2023128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28111 (or 28104 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2023128 is about 1422.3670412379. The cubic root of 2023128 is about 126.4759024437.

The spelling of 2023128 in words is "two million, twenty-three thousand, one hundred twenty-eight".