28102043 has 2 divisors, whose sum is σ = 28102044. Its totient is φ = 28102042.

The previous prime is 28102001. The next prime is 28102049. The reversal of 28102043 is 34020182.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28102043 - 2⁶ = 28101979 is a prime.

It is not a weakly prime, because it can be changed into another prime (28102049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14051021 + 14051022.

It is an arithmetic number, because the mean of its divisors is an integer number (14051022).

Almost surely, 2^28102043 is an apocalyptic number.

28102043 is a deficient number, since it is larger than the sum of its proper divisors (1).

28102043 is an equidigital number, since it uses as much as digits as its factorization.

28102043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 28102043 is about 5301.1360103284. The cubic root of 28102043 is about 304.0273340784.

The spelling of 28102043 in words is "twenty-eight million, one hundred two thousand, forty-three".