28608023 has 2 divisors, whose sum is σ = 28608024. Its totient is φ = 28608022.

The previous prime is 28608011. The next prime is 28608049. The reversal of 28608023 is 32080682.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28608023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28602023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14304011 + 14304012.

It is an arithmetic number, because the mean of its divisors is an integer number (14304012).

Almost surely, 2^28608023 is an apocalyptic number.

28608023 is a deficient number, since it is larger than the sum of its proper divisors (1).

28608023 is an equidigital number, since it uses as much as digits as its factorization.

28608023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 28608023 is about 5348.6468382199. The cubic root of 28608023 is about 305.8411716510.

The spelling of 28608023 in words is "twenty-eight million, six hundred eight thousand, twenty-three".