83042477123 has 4 divisors (see below), whose sum is σ = 84609316368. Its totient is φ = 81475637880.

The previous prime is 83042477117. The next prime is 83042477143. The reversal of 83042477123 is 32177424038.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32177424038 = 2 ⋅16088712019.

It is a cyclic number.

It is not a de Polignac number, because 83042477123 - 2⁴ = 83042477107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83042477113) 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 3 ways as a sum of consecutive naturals, for example, 783419543 + ... + 783419648.

It is an arithmetic number, because the mean of its divisors is an integer number (21152329092).

Almost surely, 2^83042477123 is an apocalyptic number.

83042477123 is a deficient number, since it is larger than the sum of its proper divisors (1566839245).

83042477123 is a wasteful number, since it uses less digits than its factorization.

83042477123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566839244.

The product of its (nonzero) digits is 225792, while the sum is 41.

The spelling of 83042477123 in words is "eighty-three billion, forty-two million, four hundred seventy-seven thousand, one hundred twenty-three".