84826123 has 2 divisors, whose sum is σ = 84826124. Its totient is φ = 84826122.

The previous prime is 84826121. The next prime is 84826169. The reversal of 84826123 is 32162848.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84826123 - 2¹ = 84826121 is a prime.

It is a super-2 number, since 2×84826123² = 14390942286422258, which contains 22 as substring.

Together with 84826121, it forms a pair of twin primes.

It is equal to p_4934239 and since 84826123 and 4934239 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (84826121) 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, 42413061 + 42413062.

It is an arithmetic number, because the mean of its divisors is an integer number (42413062).

Almost surely, 2^84826123 is an apocalyptic number.

84826123 is a deficient number, since it is larger than the sum of its proper divisors (1).

84826123 is an equidigital number, since it uses as much as digits as its factorization.

84826123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 34.

The square root of 84826123 is about 9210.1098256210. The cubic root of 84826123 is about 439.3829556702.

The spelling of 84826123 in words is "eighty-four million, eight hundred twenty-six thousand, one hundred twenty-three".