28623203243 has 2 divisors, whose sum is σ = 28623203244. Its totient is φ = 28623203242.

The previous prime is 28623203207. The next prime is 28623203281. The reversal of 28623203243 is 34230232682.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28623203243 - 2⁸ = 28623202987 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (28623203143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14311601621 + 14311601622.

It is an arithmetic number, because the mean of its divisors is an integer number (14311601622).

Almost surely, 2^28623203243 is an apocalyptic number.

28623203243 is a deficient number, since it is larger than the sum of its proper divisors (1).

28623203243 is an equidigital number, since it uses as much as digits as its factorization.

28623203243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 35.

The spelling of 28623203243 in words is "twenty-eight billion, six hundred twenty-three million, two hundred three thousand, two hundred forty-three".