80239123 has 2 divisors, whose sum is σ = 80239124. Its totient is φ = 80239122.

The previous prime is 80239121. The next prime is 80239127. The reversal of 80239123 is 32193208.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80239123 - 2¹ = 80239121 is a prime.

Together with 80239121, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 80239091 and 80239100.

It is not a weakly prime, because it can be changed into another prime (80239121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40119561 + 40119562.

It is an arithmetic number, because the mean of its divisors is an integer number (40119562).

Almost surely, 2^80239123 is an apocalyptic number.

80239123 is a deficient number, since it is larger than the sum of its proper divisors (1).

80239123 is an equidigital number, since it uses as much as digits as its factorization.

80239123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 80239123 is about 8957.6293180729. The cubic root of 80239123 is about 431.3158233770.

The spelling of 80239123 in words is "eighty million, two hundred thirty-nine thousand, one hundred twenty-three".