84450523 has 8 divisors (see below), whose sum is σ = 87493680. Its totient is φ = 81416160.

The previous prime is 84450521. The next prime is 84450533. The reversal of 84450523 is 32505448.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84450523 - 2¹ = 84450521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84450521) 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 7 ways as a sum of consecutive naturals, for example, 22036 + ... + 25582.

It is an arithmetic number, because the mean of its divisors is an integer number (10936710).

Almost surely, 2^84450523 is an apocalyptic number.

84450523 is a deficient number, since it is larger than the sum of its proper divisors (3043157).

84450523 is a wasteful number, since it uses less digits than its factorization.

84450523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4397.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 84450523 is about 9189.6965673519. The cubic root of 84450523 is about 438.7334842797.

The spelling of 84450523 in words is "eighty-four million, four hundred fifty thousand, five hundred twenty-three".