83502315123 has 4 divisors (see below), whose sum is σ = 111336420168. Its totient is φ = 55668210080.

The previous prime is 83502315109. The next prime is 83502315151. The reversal of 83502315123 is 32151320538.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83502315123 - 2⁴ = 83502315107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83502315223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13917052518 + ... + 13917052523.

It is an arithmetic number, because the mean of its divisors is an integer number (27834105042).

Almost surely, 2^83502315123 is an apocalyptic number.

83502315123 is a deficient number, since it is larger than the sum of its proper divisors (27834105045).

83502315123 is a wasteful number, since it uses less digits than its factorization.

83502315123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27834105044.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 83502315123 in words is "eighty-three billion, five hundred two million, three hundred fifteen thousand, one hundred twenty-three".