28174123 has 2 divisors, whose sum is σ = 28174124. Its totient is φ = 28174122.

The previous prime is 28174079. The next prime is 28174129. The reversal of 28174123 is 32147182.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28174123 - 2⁹ = 28173611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28174091 and 28174100.

It is not a weakly prime, because it can be changed into another prime (28174129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14087061 + 14087062.

It is an arithmetic number, because the mean of its divisors is an integer number (14087062).

Almost surely, 2^28174123 is an apocalyptic number.

28174123 is a deficient number, since it is larger than the sum of its proper divisors (1).

28174123 is an equidigital number, since it uses as much as digits as its factorization.

28174123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 28.

The square root of 28174123 is about 5307.9301992396. The cubic root of 28174123 is about 304.2870492485.

The spelling of 28174123 in words is "twenty-eight million, one hundred seventy-four thousand, one hundred twenty-three".