28475323 has 8 divisors (see below), whose sum is σ = 30264192. Its totient is φ = 26699136.

The previous prime is 28475287. The next prime is 28475327. The reversal of 28475323 is 32357482.

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 28475323 - 2⁹ = 28474811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28475327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1686 + ... + 7732.

It is an arithmetic number, because the mean of its divisors is an integer number (3783024).

Almost surely, 2^28475323 is an apocalyptic number.

28475323 is a deficient number, since it is larger than the sum of its proper divisors (1788869).

28475323 is a wasteful number, since it uses less digits than its factorization.

28475323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6341.

The product of its digits is 40320, while the sum is 34.

The square root of 28475323 is about 5336.2274126952. The cubic root of 28475323 is about 305.3675511582.

The spelling of 28475323 in words is "twenty-eight million, four hundred seventy-five thousand, three hundred twenty-three".