28350323 has 4 divisors (see below), whose sum is σ = 28362960. Its totient is φ = 28337688.

The previous prime is 28350307. The next prime is 28350331. The reversal of 28350323 is 32305382.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 28350323 - 2⁴ = 28350307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28350292 and 28350301.

It is not an unprimeable number, because it can be changed into a prime (28350923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1943 + ... + 7776.

It is an arithmetic number, because the mean of its divisors is an integer number (7090740).

Almost surely, 2^28350323 is an apocalyptic number.

28350323 is a deficient number, since it is larger than the sum of its proper divisors (12637).

28350323 is an equidigital number, since it uses as much as digits as its factorization.

28350323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12636.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 28350323 is about 5324.5021363504. The cubic root of 28350323 is about 304.9200650507.

The spelling of 28350323 in words is "twenty-eight million, three hundred fifty thousand, three hundred twenty-three".