28080223403 has 2 divisors, whose sum is σ = 28080223404. Its totient is φ = 28080223402.

The previous prime is 28080223387. The next prime is 28080223439. The reversal of 28080223403 is 30432208082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28080223403 - 2⁴ = 28080223387 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28080223403.

It is not a weakly prime, because it can be changed into another prime (28080523403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14040111701 + 14040111702.

It is an arithmetic number, because the mean of its divisors is an integer number (14040111702).

Almost surely, 2^28080223403 is an apocalyptic number.

28080223403 is a deficient number, since it is larger than the sum of its proper divisors (1).

28080223403 is an equidigital number, since it uses as much as digits as its factorization.

28080223403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 32.

The spelling of 28080223403 in words is "twenty-eight billion, eighty million, two hundred twenty-three thousand, four hundred three".