84484123 has 4 divisors (see below), whose sum is σ = 85502088. Its totient is φ = 83466160.

The previous prime is 84484093. The next prime is 84484133. The reversal of 84484123 is 32148448.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84484123 - 2²¹ = 82386971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84484133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508858 + ... + 509023.

It is an arithmetic number, because the mean of its divisors is an integer number (21375522).

Almost surely, 2^84484123 is an apocalyptic number.

84484123 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

84484123 is a deficient number, since it is larger than the sum of its proper divisors (1017965).

84484123 is a wasteful number, since it uses less digits than its factorization.

84484123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017964.

The product of its digits is 24576, while the sum is 34.

The square root of 84484123 is about 9191.5245199042. The cubic root of 84484123 is about 438.7916622911.

The spelling of 84484123 in words is "eighty-four million, four hundred eighty-four thousand, one hundred twenty-three".