28238697023 has 2 divisors, whose sum is σ = 28238697024. Its totient is φ = 28238697022.

The previous prime is 28238697013. The next prime is 28238697131. The reversal of 28238697023 is 32079683282.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28238697023 - 2³⁰ = 27164955199 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28238697013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14119348511 + 14119348512.

It is an arithmetic number, because the mean of its divisors is an integer number (14119348512).

Almost surely, 2^28238697023 is an apocalyptic number.

28238697023 is a deficient number, since it is larger than the sum of its proper divisors (1).

28238697023 is an equidigital number, since it uses as much as digits as its factorization.

28238697023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 28238697023 in words is "twenty-eight billion, two hundred thirty-eight million, six hundred ninety-seven thousand, twenty-three".