82672123 has 2 divisors, whose sum is σ = 82672124. Its totient is φ = 82672122.

The previous prime is 82672111. The next prime is 82672223. The reversal of 82672123 is 32127628.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82672123 - 2⁵ = 82672091 is a prime.

It is not a weakly prime, because it can be changed into another prime (82672223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41336061 + 41336062.

It is an arithmetic number, because the mean of its divisors is an integer number (41336062).

Almost surely, 2^82672123 is an apocalyptic number.

82672123 is a deficient number, since it is larger than the sum of its proper divisors (1).

82672123 is an equidigital number, since it uses as much as digits as its factorization.

82672123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 31.

The square root of 82672123 is about 9092.4211847010. The cubic root of 82672123 is about 435.6319225386.

The spelling of 82672123 in words is "eighty-two million, six hundred seventy-two thousand, one hundred twenty-three".