824123321428 has 24 divisors (see below), whose sum is σ = 1573819660224. Its totient is φ = 374484052800.

The previous prime is 824123321389. The next prime is 824123321473.

824123321428 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2794425 + ... + 3075232.

It is an arithmetic number, because the mean of its divisors is an integer number (65575819176).

Almost surely, 2^824123321428 is an apocalyptic number.

It is an amenable number.

824123321428 is a deficient number, since it is larger than the sum of its proper divisors (749696338796).

824123321428 is a wasteful number, since it uses less digits than its factorization.

824123321428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5872863 (or 5872861 counting only the distinct ones).

The product of its digits is 147456, while the sum is 40.

The spelling of 824123321428 in words is "eight hundred twenty-four billion, one hundred twenty-three million, three hundred twenty-one thousand, four hundred twenty-eight".