28323803 has 2 divisors, whose sum is σ = 28323804. Its totient is φ = 28323802.

The previous prime is 28323797. The next prime is 28323809. The reversal of 28323803 is 30832382.

It is a balanced prime because it is at equal distance from previous prime (28323797) and next prime (28323809).

It is a cyclic number.

It is not a de Polignac number, because 28323803 - 2¹⁸ = 28061659 is a prime.

It is not a weakly prime, because it can be changed into another prime (28323809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14161901 + 14161902.

It is an arithmetic number, because the mean of its divisors is an integer number (14161902).

Almost surely, 2^28323803 is an apocalyptic number.

28323803 is a deficient number, since it is larger than the sum of its proper divisors (1).

28323803 is an equidigital number, since it uses as much as digits as its factorization.

28323803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 28323803 is about 5322.0111799958. The cubic root of 28323803 is about 304.8249573406.

The spelling of 28323803 in words is "twenty-eight million, three hundred twenty-three thousand, eight hundred three".