210144403121123 has 8 divisors (see below), whose sum is σ = 221205383485200. Its totient is φ = 199083497619168.

The previous prime is 210144403121113. The next prime is 210144403121129. The reversal of 210144403121123 is 321121304441012.

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

It is a cyclic number.

It is not a de Polignac number, because 210144403121123 - 2²⁴ = 210144386343907 is a prime.

It is a super-2 number, since 2×210144403121123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210144403121129) 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, 12907388 + ... + 24225801.

It is an arithmetic number, because the mean of its divisors is an integer number (27650672935650).

Almost surely, 2^{210144403121123} is an apocalyptic number.

210144403121123 is a deficient number, since it is larger than the sum of its proper divisors (11060980364077).

210144403121123 is a wasteful number, since it uses less digits than its factorization.

210144403121123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37431061.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 210144403121123 its reverse (321121304441012), we get a palindrome (531265707562135).

The spelling of 210144403121123 in words is "two hundred ten trillion, one hundred forty-four billion, four hundred three million, one hundred twenty-one thousand, one hundred twenty-three".