28014523 has 2 divisors, whose sum is σ = 28014524. Its totient is φ = 28014522.

The previous prime is 28014499. The next prime is 28014559. The reversal of 28014523 is 32541082.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28014523 is a prime.

It is not a weakly prime, because it can be changed into another prime (28014583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14007261 + 14007262.

It is an arithmetic number, because the mean of its divisors is an integer number (14007262).

Almost surely, 2^28014523 is an apocalyptic number.

28014523 is a deficient number, since it is larger than the sum of its proper divisors (1).

28014523 is an equidigital number, since it uses as much as digits as its factorization.

28014523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 28014523 is about 5292.8747387408. The cubic root of 28014523 is about 303.7113885676.

The spelling of 28014523 in words is "twenty-eight million, fourteen thousand, five hundred twenty-three".