260172642204123 has 16 divisors (see below), whose sum is σ = 378480542112000. Its totient is φ = 157660552549280.

The previous prime is 260172642204121. The next prime is 260172642204131. The reversal of 260172642204123 is 321402246271062.

It is not a de Polignac number, because 260172642204123 - 2¹ = 260172642204121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (260172642204121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495650343 + ... + 496174976.

It is an arithmetic number, because the mean of its divisors is an integer number (23655033882000).

Almost surely, 2^{260172642204123} is an apocalyptic number.

260172642204123 is a deficient number, since it is larger than the sum of its proper divisors (118307899907877).

260172642204123 is a wasteful number, since it uses less digits than its factorization.

260172642204123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991833282.

The product of its (nonzero) digits is 387072, while the sum is 42.

Adding to 260172642204123 its reverse (321402246271062), we get a palindrome (581574888475185).

The spelling of 260172642204123 in words is "two hundred sixty trillion, one hundred seventy-two billion, six hundred forty-two million, two hundred four thousand, one hundred twenty-three".