84616423 has 2 divisors, whose sum is σ = 84616424. Its totient is φ = 84616422.

The previous prime is 84616421. The next prime is 84616459. The reversal of 84616423 is 32461648.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84616423 - 2¹ = 84616421 is a prime.

Together with 84616421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84616421) 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, 42308211 + 42308212.

It is an arithmetic number, because the mean of its divisors is an integer number (42308212).

Almost surely, 2^84616423 is an apocalyptic number.

84616423 is a deficient number, since it is larger than the sum of its proper divisors (1).

84616423 is an equidigital number, since it uses as much as digits as its factorization.

84616423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 34.

The square root of 84616423 is about 9198.7185520593. The cubic root of 84616423 is about 439.0205883838.

It can be divided in two parts, 8461 and 6423, that added together give a square (14884 = 122²).

The spelling of 84616423 in words is "eighty-four million, six hundred sixteen thousand, four hundred twenty-three".