28114823 has 4 divisors (see below), whose sum is σ = 30670728. Its totient is φ = 25558920.

The previous prime is 28114811. The next prime is 28114837. The reversal of 28114823 is 32841182.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28114823 - 2¹⁸ = 27852679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28114873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1277936 + ... + 1277957.

It is an arithmetic number, because the mean of its divisors is an integer number (7667682).

Almost surely, 2^28114823 is an apocalyptic number.

28114823 is a deficient number, since it is larger than the sum of its proper divisors (2555905).

28114823 is a wasteful number, since it uses less digits than its factorization.

28114823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555904.

The product of its digits is 3072, while the sum is 29.

The square root of 28114823 is about 5302.3412753236. The cubic root of 28114823 is about 304.0734147196.

The spelling of 28114823 in words is "twenty-eight million, one hundred fourteen thousand, eight hundred twenty-three".