123053435203205 has 16 divisors (see below), whose sum is σ = 159046005175680. Its totient is φ = 90857026617408.

The previous prime is 123053435203087. The next prime is 123053435203213. The reversal of 123053435203205 is 502302534350321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123053435203205 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137074745 + ... + 137969534.

It is an arithmetic number, because the mean of its divisors is an integer number (9940375323480).

Almost surely, 2^{123053435203205} is an apocalyptic number.

It is an amenable number.

123053435203205 is a deficient number, since it is larger than the sum of its proper divisors (35992569972475).

123053435203205 is a wasteful number, since it uses less digits than its factorization.

123053435203205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275051180.

The product of its (nonzero) digits is 324000, while the sum is 38.

Adding to 123053435203205 its reverse (502302534350321), we get a palindrome (625355969553526).

The spelling of 123053435203205 in words is "one hundred twenty-three trillion, fifty-three billion, four hundred thirty-five million, two hundred three thousand, two hundred five".