28413323 has 4 divisors (see below), whose sum is σ = 28494168. Its totient is φ = 28332480.

The previous prime is 28413317. The next prime is 28413383. The reversal of 28413323 is 32331482.

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 28413323 - 2¹⁴ = 28396939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28413292 and 28413301.

It is not an unprimeable number, because it can be changed into a prime (28413313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39893 + ... + 40598.

It is an arithmetic number, because the mean of its divisors is an integer number (7123542).

Almost surely, 2^28413323 is an apocalyptic number.

28413323 is a deficient number, since it is larger than the sum of its proper divisors (80845).

28413323 is an equidigital number, since it uses as much as digits as its factorization.

28413323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80844.

The product of its digits is 3456, while the sum is 26.

The square root of 28413323 is about 5330.4148994239. The cubic root of 28413323 is about 305.1457620936.

The spelling of 28413323 in words is "twenty-eight million, four hundred thirteen thousand, three hundred twenty-three".