123134205430535 has 8 divisors (see below), whose sum is σ = 159127280864160. Its totient is φ = 90929874779424.

The previous prime is 123134205430531. The next prime is 123134205430547. The reversal of 123134205430535 is 535034502431321.

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 123134205430535 - 2² = 123134205430531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123134205430492 and 123134205430501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123134205430531) 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, 947186195555 + ... + 947186195684.

It is an arithmetic number, because the mean of its divisors is an integer number (19890910108020).

Almost surely, 2^{123134205430535} is an apocalyptic number.

123134205430535 is a deficient number, since it is larger than the sum of its proper divisors (35993075433625).

123134205430535 is a wasteful number, since it uses less digits than its factorization.

123134205430535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894372391257.

The product of its (nonzero) digits is 648000, while the sum is 41.

Adding to 123134205430535 its reverse (535034502431321), we get a palindrome (658168707861856).

The spelling of 123134205430535 in words is "one hundred twenty-three trillion, one hundred thirty-four billion, two hundred five million, four hundred thirty thousand, five hundred thirty-five".