284321123481 has 16 divisors (see below), whose sum is σ = 382528083456. Its totient is φ = 187831478016.

The previous prime is 284321123461. The next prime is 284321123561. The reversal of 284321123481 is 184321123482.

It is a happy number.

It is not a de Polignac number, because 284321123481 - 2⁶ = 284321123417 is a prime.

It is a super-2 number, since 2×284321123481² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (284321123431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1619311 + ... + 1786283.

It is an arithmetic number, because the mean of its divisors is an integer number (23908005216).

Almost surely, 2^284321123481 is an apocalyptic number.

It is an amenable number.

284321123481 is a deficient number, since it is larger than the sum of its proper divisors (98206959975).

284321123481 is a wasteful number, since it uses less digits than its factorization.

284321123481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172112.

The product of its digits is 73728, while the sum is 39.

Subtracting from 284321123481 its reverse (184321123482), we obtain a palindrome (99999999999).

The spelling of 284321123481 in words is "two hundred eighty-four billion, three hundred twenty-one million, one hundred twenty-three thousand, four hundred eighty-one".