28363323 has 8 divisors (see below), whose sum is σ = 37981008. Its totient is φ = 18827264.

The previous prime is 28363319. The next prime is 28363331. The reversal of 28363323 is 32336382.

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

It is a cyclic number.

It is not a de Polignac number, because 28363323 - 2² = 28363319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28363303) 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 7 ways as a sum of consecutive naturals, for example, 19590 + ... + 20987.

It is an arithmetic number, because the mean of its divisors is an integer number (4747626).

Almost surely, 2^28363323 is an apocalyptic number.

28363323 is a deficient number, since it is larger than the sum of its proper divisors (9617685).

28363323 is a wasteful number, since it uses less digits than its factorization.

28363323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40813.

The product of its digits is 15552, while the sum is 30.

The square root of 28363323 is about 5325.7227678504. The cubic root of 28363323 is about 304.9666648150.

The spelling of 28363323 in words is "twenty-eight million, three hundred sixty-three thousand, three hundred twenty-three".