28365323 has 8 divisors (see below), whose sum is σ = 32673792. Its totient is φ = 24120936.

The previous prime is 28365319. The next prime is 28365329. The reversal of 28365323 is 32356382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28365323 - 2² = 28365319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28365323.

It is not an unprimeable number, because it can be changed into a prime (28365329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15065 + ... + 16842.

It is an arithmetic number, because the mean of its divisors is an integer number (4084224).

Almost surely, 2^28365323 is an apocalyptic number.

28365323 is a deficient number, since it is larger than the sum of its proper divisors (4308469).

28365323 is a wasteful number, since it uses less digits than its factorization.

28365323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32041.

The product of its digits is 25920, while the sum is 32.

The square root of 28365323 is about 5325.9105324817. The cubic root of 28365323 is about 304.9738327457.

The spelling of 28365323 in words is "twenty-eight million, three hundred sixty-five thousand, three hundred twenty-three".