28192123 has 2 divisors, whose sum is σ = 28192124. Its totient is φ = 28192122.

The previous prime is 28192121. The next prime is 28192127. The reversal of 28192123 is 32129182.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28192123 - 2¹ = 28192121 is a prime.

Together with 28192121, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 28192091 and 28192100.

It is not a weakly prime, because it can be changed into another prime (28192121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14096061 + 14096062.

It is an arithmetic number, because the mean of its divisors is an integer number (14096062).

Almost surely, 2^28192123 is an apocalyptic number.

28192123 is a deficient number, since it is larger than the sum of its proper divisors (1).

28192123 is an equidigital number, since it uses as much as digits as its factorization.

28192123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 28.

The square root of 28192123 is about 5309.6255046849. The cubic root of 28192123 is about 304.3518368419.

The spelling of 28192123 in words is "twenty-eight million, one hundred ninety-two thousand, one hundred twenty-three".