5123042113842 has 24 divisors (see below), whose sum is σ = 11103414149100. Its totient is φ = 1707143847840.

The previous prime is 5123042113829. The next prime is 5123042113843. The reversal of 5123042113842 is 2483112403215.

5123042113842 is a `hidden beast` number, since 5 + 1 + 230 + 42 + 1 + 1 + 384 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4343810440761 + 779231673081 = 2084181^2 + 882741^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5123042113797 and 5123042113806.

It is not an unprimeable number, because it can be changed into a prime (5123042113843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44679217 + ... + 44793732.

Almost surely, 2^{5123042113842} is an apocalyptic number.

5123042113842 is an abundant number, since it is smaller than the sum of its proper divisors (5980372035258).

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

5123042113842 is a wasteful number, since it uses less digits than its factorization.

5123042113842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89476138 (or 89476135 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 5123042113842 in words is "five trillion, one hundred twenty-three billion, forty-two million, one hundred thirteen thousand, eight hundred forty-two".