2123328 has 28 divisors (see below), whose sum is σ = 5618480. Its totient is φ = 707712.

The previous prime is 2123327. The next prime is 2123353. The reversal of 2123328 is 8233212.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (2123327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5338 + ... + 5721.

It is an arithmetic number, because the mean of its divisors is an integer number (200660).

2^2123328 is an apocalyptic number.

It is an amenable number.

2123328 is an abundant number, since it is smaller than the sum of its proper divisors (3495152).

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

2123328 is a wasteful number, since it uses less digits than its factorization.

2123328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11074 (or 11064 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 2123328 is about 1457.1643695891. The cubic root of 2123328 is about 128.5303516045.

The spelling of 2123328 in words is "two million, one hundred twenty-three thousand, three hundred twenty-eight".