28334023 has 4 divisors (see below), whose sum is σ = 28344960. Its totient is φ = 28323088.

The previous prime is 28334021. The next prime is 28334027. The reversal of 28334023 is 32043382.

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.

It is a cyclic number.

It is not a de Polignac number, because 28334023 - 2¹ = 28334021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28334021) 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 + ... + 7576.

It is an arithmetic number, because the mean of its divisors is an integer number (7086240).

Almost surely, 2^28334023 is an apocalyptic number.

28334023 is a deficient number, since it is larger than the sum of its proper divisors (10937).

28334023 is an equidigital number, since it uses as much as digits as its factorization.

28334023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10936.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 28334023 is about 5322.9712567325. The cubic root of 28334023 is about 304.8616159824.

The spelling of 28334023 in words is "twenty-eight million, three hundred thirty-four thousand, twenty-three".