4002160123 has 4 divisors (see below), whose sum is σ = 4310018608. Its totient is φ = 3694301640.

The previous prime is 4002160117. The next prime is 4002160147. The reversal of 4002160123 is 3210612004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4002160123 - 2⁵ = 4002160091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4002160123.

It is not an unprimeable number, because it can be changed into a prime (4002160423) 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, 153929223 + ... + 153929248.

It is an arithmetic number, because the mean of its divisors is an integer number (1077504652).

Almost surely, 2^4002160123 is an apocalyptic number.

4002160123 is a deficient number, since it is larger than the sum of its proper divisors (307858485).

4002160123 is a wasteful number, since it uses less digits than its factorization.

4002160123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307858484.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 4002160123 is about 63262.6281701922. The cubic root of 4002160123 is about 1587.6867490062.

Adding to 4002160123 its reverse (3210612004), we get a palindrome (7212772127).

The spelling of 4002160123 in words is "four billion, two million, one hundred sixty thousand, one hundred twenty-three".