82031123 has 2 divisors, whose sum is σ = 82031124. Its totient is φ = 82031122.

The previous prime is 82031083. The next prime is 82031129. The reversal of 82031123 is 32113028.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82031123 - 2¹⁰ = 82030099 is a prime.

It is a super-2 number, since 2×82031123² = 13458210281282258, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 82031095 and 82031104.

It is not a weakly prime, because it can be changed into another prime (82031129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41015561 + 41015562.

It is an arithmetic number, because the mean of its divisors is an integer number (41015562).

Almost surely, 2^82031123 is an apocalyptic number.

82031123 is a deficient number, since it is larger than the sum of its proper divisors (1).

82031123 is an equidigital number, since it uses as much as digits as its factorization.

82031123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 82031123 is about 9057.1034552996. The cubic root of 82031123 is about 434.5031063794.

The spelling of 82031123 in words is "eighty-two million, thirty-one thousand, one hundred twenty-three".