28323301 has 2 divisors, whose sum is σ = 28323302. Its totient is φ = 28323300.

The previous prime is 28323299. The next prime is 28323307. The reversal of 28323301 is 10332382.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21846276 + 6477025 = 4674^2 + 2545^2 .

It is a cyclic number.

It is not a de Polignac number, because 28323301 - 2¹ = 28323299 is a prime.

Together with 28323299, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28323307) 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 as a sum of consecutive naturals, namely, 14161650 + 14161651.

It is an arithmetic number, because the mean of its divisors is an integer number (14161651).

Almost surely, 2^28323301 is an apocalyptic number.

It is an amenable number.

28323301 is a deficient number, since it is larger than the sum of its proper divisors (1).

28323301 is an equidigital number, since it uses as much as digits as its factorization.

28323301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 28323301 is about 5321.9640171651. The cubic root of 28323301 is about 304.8231564639.

Adding to 28323301 its reverse (10332382), we get a palindrome (38655683).

The spelling of 28323301 in words is "twenty-eight million, three hundred twenty-three thousand, three hundred one".