84125523 has 4 divisors (see below), whose sum is σ = 112167368. Its totient is φ = 56083680.

The previous prime is 84125507. The next prime is 84125539. The reversal of 84125523 is 32552148.

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

It is an interprime number because it is at equal distance from previous prime (84125507) and next prime (84125539).

It is not a de Polignac number, because 84125523 - 2⁴ = 84125507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84125593) 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 in 3 ways as a sum of consecutive naturals, for example, 14020918 + ... + 14020923.

It is an arithmetic number, because the mean of its divisors is an integer number (28041842).

Almost surely, 2^84125523 is an apocalyptic number.

84125523 is a deficient number, since it is larger than the sum of its proper divisors (28041845).

84125523 is a wasteful number, since it uses less digits than its factorization.

84125523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28041844.

The product of its digits is 9600, while the sum is 30.

The square root of 84125523 is about 9171.9966746614. The cubic root of 84125523 is about 438.1699523949.

It can be divided in two parts, 84125 and 523, that added together give a palindrome (84648).

The spelling of 84125523 in words is "eighty-four million, one hundred twenty-five thousand, five hundred twenty-three".