28123545341 has 2 divisors, whose sum is σ = 28123545342. Its totient is φ = 28123545340.

The previous prime is 28123545259. The next prime is 28123545391. The reversal of 28123545341 is 14354532182.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20527725625 + 7595819716 = 143275^2 + 87154^2 .

It is a cyclic number.

It is not a de Polignac number, because 28123545341 - 2¹⁴ = 28123528957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28123545295 and 28123545304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28123545391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14061772670 + 14061772671.

It is an arithmetic number, because the mean of its divisors is an integer number (14061772671).

Almost surely, 2^28123545341 is an apocalyptic number.

It is an amenable number.

28123545341 is a deficient number, since it is larger than the sum of its proper divisors (1).

28123545341 is an equidigital number, since it uses as much as digits as its factorization.

28123545341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 115200, while the sum is 38.

The spelling of 28123545341 in words is "twenty-eight billion, one hundred twenty-three million, five hundred forty-five thousand, three hundred forty-one".