28334723 has 8 divisors (see below), whose sum is σ = 28643328. Its totient is φ = 28028104.

The previous prime is 28334671. The next prime is 28334729. The reversal of 28334723 is 32743382.

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 28334723 - 2¹⁶ = 28269187 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 28334723.

It is not an unprimeable number, because it can be changed into a prime (28334729) 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, 63740 + ... + 64182.

It is an arithmetic number, because the mean of its divisors is an integer number (3580416).

Almost surely, 2^28334723 is an apocalyptic number.

28334723 is a deficient number, since it is larger than the sum of its proper divisors (308605).

28334723 is a wasteful number, since it uses less digits than its factorization.

28334723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993.

The product of its digits is 24192, while the sum is 32.

The square root of 28334723 is about 5323.0370090767. The cubic root of 28334723 is about 304.8641265256.

The spelling of 28334723 in words is "twenty-eight million, three hundred thirty-four thousand, seven hundred twenty-three".