83854523 has 4 divisors (see below), whose sum is σ = 88787160. Its totient is φ = 78921888.

The previous prime is 83854513. The next prime is 83854531. The reversal of 83854523 is 32545838.

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

It is not a de Polignac number, because 83854523 - 2¹² = 83850427 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83854513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2466293 + ... + 2466326.

It is an arithmetic number, because the mean of its divisors is an integer number (22196790).

Almost surely, 2^83854523 is an apocalyptic number.

83854523 is a deficient number, since it is larger than the sum of its proper divisors (4932637).

83854523 is a wasteful number, since it uses less digits than its factorization.

83854523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4932636.

The product of its digits is 115200, while the sum is 38.

The square root of 83854523 is about 9157.2115297180. The cubic root of 83854523 is about 437.6989427735.

The spelling of 83854523 in words is "eighty-three million, eight hundred fifty-four thousand, five hundred twenty-three".