28882123 has 4 divisors (see below), whose sum is σ = 28893168. Its totient is φ = 28871080.

The previous prime is 28882103. The next prime is 28882129. The reversal of 28882123 is 32128882.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 32128882 = 2 ⋅16064441.

It is a cyclic number.

It is not a de Polignac number, because 28882123 - 2¹³ = 28873931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28882129) 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, 858 + ... + 7648.

It is an arithmetic number, because the mean of its divisors is an integer number (7223292).

Almost surely, 2^28882123 is an apocalyptic number.

28882123 is a deficient number, since it is larger than the sum of its proper divisors (11045).

28882123 is an equidigital number, since it uses as much as digits as its factorization.

28882123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11044.

The product of its digits is 12288, while the sum is 34.

The square root of 28882123 is about 5374.2090580847. The cubic root of 28882123 is about 306.8148466043.

The spelling of 28882123 in words is "twenty-eight million, eight hundred eighty-two thousand, one hundred twenty-three".