28241023 has 2 divisors, whose sum is σ = 28241024. Its totient is φ = 28241022.

The previous prime is 28241021. The next prime is 28241071. The reversal of 28241023 is 32014282.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28241023 - 2¹ = 28241021 is a prime.

Together with 28241021, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 28240985 and 28241003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28241021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14120511 + 14120512.

It is an arithmetic number, because the mean of its divisors is an integer number (14120512).

Almost surely, 2^28241023 is an apocalyptic number.

28241023 is a deficient number, since it is larger than the sum of its proper divisors (1).

28241023 is an equidigital number, since it uses as much as digits as its factorization.

28241023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 28241023 is about 5314.2283541451. The cubic root of 28241023 is about 304.5277040303.

The spelling of 28241023 in words is "twenty-eight million, two hundred forty-one thousand, twenty-three".