842130876123 has 90 divisors (see below), whose sum is σ = 1311452212356. Its totient is φ = 540735312600.

The previous prime is 842130876121. The next prime is 842130876131. The reversal of 842130876123 is 321678031248.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

842130876123 is a `hidden beast` number, since 8 + 4 + 21 + 3 + 0 + 8 + 7 + 612 + 3 = 666.

842130876123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 842130876123 - 2¹ = 842130876121 is a prime.

It is a super-2 number, since 2×842130876123² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (842130876121) by changing a digit.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 3991141488 + ... + 3991141698.

Almost surely, 2^842130876123 is an apocalyptic number.

842130876123 is a deficient number, since it is larger than the sum of its proper divisors (469321336233).

842130876123 is an frugal number, since it uses more digits than its factorization.

842130876123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 842130876123 in words is "eight hundred forty-two billion, one hundred thirty million, eight hundred seventy-six thousand, one hundred twenty-three".