4140205216123 has 8 divisors (see below), whose sum is σ = 4148582263056. Its totient is φ = 4131834189600.

The previous prime is 4140205216111. The next prime is 4140205216171. The reversal of 4140205216123 is 3216125020414.

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-4140205216123 is a prime.

It is a super-2 number, since 2×4140205216123² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4140205216183) 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, 127048 + ... + 2880373.

It is an arithmetic number, because the mean of its divisors is an integer number (518572782882).

Almost surely, 2^{4140205216123} is an apocalyptic number.

4140205216123 is a deficient number, since it is larger than the sum of its proper divisors (8377046933).

4140205216123 is a wasteful number, since it uses less digits than its factorization.

4140205216123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3010205.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 4140205216123 in words is "four trillion, one hundred forty billion, two hundred five million, two hundred sixteen thousand, one hundred twenty-three".