84323923 has 2 divisors, whose sum is σ = 84323924. Its totient is φ = 84323922.

The previous prime is 84323891. The next prime is 84323929. The reversal of 84323923 is 32932348.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84323923 - 2⁵ = 84323891 is a prime.

It is a super-2 number, since 2×84323923² = 14221047980219858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (84323929) 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, 42161961 + 42161962.

It is an arithmetic number, because the mean of its divisors is an integer number (42161962).

Almost surely, 2^84323923 is an apocalyptic number.

84323923 is a deficient number, since it is larger than the sum of its proper divisors (1).

84323923 is an equidigital number, since it uses as much as digits as its factorization.

84323923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 34.

The square root of 84323923 is about 9182.8058348198. The cubic root of 84323923 is about 438.5141391314.

The spelling of 84323923 in words is "eighty-four million, three hundred twenty-three thousand, nine hundred twenty-three".