83123632138 has 32 divisors (see below), whose sum is σ = 126535106880. Its totient is φ = 40951025280.

The previous prime is 83123632129. The next prime is 83123632153.

83123632138 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 83123632138.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21438256 + ... + 21442132.

It is an arithmetic number, because the mean of its divisors is an integer number (3954222090).

Almost surely, 2^83123632138 is an apocalyptic number.

83123632138 is a deficient number, since it is larger than the sum of its proper divisors (43411474742).

83123632138 is a wasteful number, since it uses less digits than its factorization.

83123632138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4582.

The product of its digits is 124416, while the sum is 40.

The spelling of 83123632138 in words is "eighty-three billion, one hundred twenty-three million, six hundred thirty-two thousand, one hundred thirty-eight".