84844423 has 2 divisors, whose sum is σ = 84844424. Its totient is φ = 84844422.

The previous prime is 84844381. The next prime is 84844429. The reversal of 84844423 is 32444848.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84844423 - 2¹³ = 84836231 is a prime.

It is a super-2 number, since 2×84844423² = 14397152228405858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84844429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42422211 + 42422212.

It is an arithmetic number, because the mean of its divisors is an integer number (42422212).

Almost surely, 2^84844423 is an apocalyptic number.

84844423 is a deficient number, since it is larger than the sum of its proper divisors (1).

84844423 is an equidigital number, since it uses as much as digits as its factorization.

84844423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 98304, while the sum is 37.

The square root of 84844423 is about 9211.1032455401. The cubic root of 84844423 is about 439.4145502217.

The spelling of 84844423 in words is "eighty-four million, eight hundred forty-four thousand, four hundred twenty-three".