123141010042 has 8 divisors (see below), whose sum is σ = 195576898356. Its totient is φ = 57948710592.

The previous prime is 123141010019. The next prime is 123141010049. The reversal of 123141010042 is 240010141321.

It can be written as a sum of positive squares in 2 ways, for example, as 97649375121 + 25491634921 = 312489^2 + 159661^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (123141010049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1810897173 + ... + 1810897240.

Almost surely, 2^123141010042 is an apocalyptic number.

123141010042 is a deficient number, since it is larger than the sum of its proper divisors (72435888314).

123141010042 is a wasteful number, since it uses less digits than its factorization.

123141010042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3621794432.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 123141010042 its reverse (240010141321), we get a palindrome (363151151363).

The spelling of 123141010042 in words is "one hundred twenty-three billion, one hundred forty-one million, ten thousand, forty-two".