83213231238 has 48 divisors (see below), whose sum is σ = 181729688400. Its totient is φ = 27517535808.

The previous prime is 83213231237. The next prime is 83213231261.

83213231238 is a `hidden beast` number, since 8 + 321 + 323 + 1 + 2 + 3 + 8 = 666.

83213231238 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83213231237) 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 23 ways as a sum of consecutive naturals, for example, 2199256 + ... + 2236772.

It is an arithmetic number, because the mean of its divisors is an integer number (3786035175).

Almost surely, 2^83213231238 is an apocalyptic number.

83213231238 is an abundant number, since it is smaller than the sum of its proper divisors (98516457162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83213231238 is a wasteful number, since it uses less digits than its factorization.

83213231238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38501 (or 38498 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The spelling of 83213231238 in words is "eighty-three billion, two hundred thirteen million, two hundred thirty-one thousand, two hundred thirty-eight".