28654123 has 2 divisors, whose sum is σ = 28654124. Its totient is φ = 28654122.

The previous prime is 28654111. The next prime is 28654127. The reversal of 28654123 is 32145682.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28654123 is a prime.

It is not a weakly prime, because it can be changed into another prime (28654127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14327061 + 14327062.

It is an arithmetic number, because the mean of its divisors is an integer number (14327062).

Almost surely, 2^28654123 is an apocalyptic number.

28654123 is a deficient number, since it is larger than the sum of its proper divisors (1).

28654123 is an equidigital number, since it uses as much as digits as its factorization.

28654123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 31.

The square root of 28654123 is about 5352.9546047020. The cubic root of 28654123 is about 306.0053646517.

The spelling of 28654123 in words is "twenty-eight million, six hundred fifty-four thousand, one hundred twenty-three".