3140042123 has 8 divisors (see below), whose sum is σ = 3146941776. Its totient is φ = 3133152000.

The previous prime is 3140042071. The next prime is 3140042141. The reversal of 3140042123 is 3212400413.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3140042123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3140042095 and 3140042104.

It is not an unprimeable number, because it can be changed into a prime (3140042183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1239368 + ... + 1241898.

It is an arithmetic number, because the mean of its divisors is an integer number (393367722).

Almost surely, 2^3140042123 is an apocalyptic number.

3140042123 is a deficient number, since it is larger than the sum of its proper divisors (6899653).

3140042123 is a wasteful number, since it uses less digits than its factorization.

3140042123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4765.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3140042123 is about 56036.0787618120. The cubic root of 3140042123 is about 1464.3508985181.

Adding to 3140042123 its reverse (3212400413), we get a palindrome (6352442536).

The spelling of 3140042123 in words is "three billion, one hundred forty million, forty-two thousand, one hundred twenty-three".