28598123 has 2 divisors, whose sum is σ = 28598124. Its totient is φ = 28598122.

The previous prime is 28598099. The next prime is 28598149. The reversal of 28598123 is 32189582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28598123 - 2⁸ = 28597867 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (28598183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14299061 + 14299062.

It is an arithmetic number, because the mean of its divisors is an integer number (14299062).

Almost surely, 2^28598123 is an apocalyptic number.

28598123 is a deficient number, since it is larger than the sum of its proper divisors (1).

28598123 is an equidigital number, since it uses as much as digits as its factorization.

28598123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 38.

The square root of 28598123 is about 5347.7212904189. The cubic root of 28598123 is about 305.8058881114.

The spelling of 28598123 in words is "twenty-eight million, five hundred ninety-eight thousand, one hundred twenty-three".