28350154123 has 2 divisors, whose sum is σ = 28350154124. Its totient is φ = 28350154122.

The previous prime is 28350154111. The next prime is 28350154181. The reversal of 28350154123 is 32145105382.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28350154123 is a prime.

It is not a weakly prime, because it can be changed into another prime (28350154423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14175077061 + 14175077062.

It is an arithmetic number, because the mean of its divisors is an integer number (14175077062).

Almost surely, 2^28350154123 is an apocalyptic number.

28350154123 is a deficient number, since it is larger than the sum of its proper divisors (1).

28350154123 is an equidigital number, since it uses as much as digits as its factorization.

28350154123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 28350154123 in words is "twenty-eight billion, three hundred fifty million, one hundred fifty-four thousand, one hundred twenty-three".