28107523043 has 2 divisors, whose sum is σ = 28107523044. Its totient is φ = 28107523042.

The previous prime is 28107523001. The next prime is 28107523069. The reversal of 28107523043 is 34032570182.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28107523043 - 2⁶ = 28107522979 is a prime.

It is a super-2 number, since 2×28107523043² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 28107522994 and 28107523012.

It is not a weakly prime, because it can be changed into another prime (28107523243) 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, 14053761521 + 14053761522.

It is an arithmetic number, because the mean of its divisors is an integer number (14053761522).

Almost surely, 2^28107523043 is an apocalyptic number.

28107523043 is a deficient number, since it is larger than the sum of its proper divisors (1).

28107523043 is an equidigital number, since it uses as much as digits as its factorization.

28107523043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 28107523043 in words is "twenty-eight billion, one hundred seven million, five hundred twenty-three thousand, forty-three".