82323811421 has 8 divisors (see below), whose sum is σ = 83041773240. Its totient is φ = 81607546368.

The previous prime is 82323811369. The next prime is 82323811429. The reversal of 82323811421 is 12411832328.

It can be written as a sum of positive squares in 4 ways, for example, as 4153802500 + 78170008921 = 64450^2 + 279589^2 .

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 82323811421 - 2⁶ = 82323811357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82323811429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326636 + ... + 520901.

It is an arithmetic number, because the mean of its divisors is an integer number (10380221655).

Almost surely, 2^82323811421 is an apocalyptic number.

It is an amenable number.

82323811421 is a deficient number, since it is larger than the sum of its proper divisors (717961819).

82323811421 is a wasteful number, since it uses less digits than its factorization.

82323811421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848383.

The product of its digits is 18432, while the sum is 35.

The spelling of 82323811421 in words is "eighty-two billion, three hundred twenty-three million, eight hundred eleven thousand, four hundred twenty-one".