123032135155023 has 12 divisors (see below), whose sum is σ = 180626413361368. Its totient is φ = 80676809937360.

The previous prime is 123032135155009. The next prime is 123032135155067. The reversal of 123032135155023 is 320551531230321.

123032135155023 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 3 + 2 + 135 + 15 + 502 + 3 = 666.

It is not a de Polignac number, because 123032135155023 - 2¹⁴ = 123032135138639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123032135155093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112051124365 + ... + 112051125462.

Almost surely, 2^{123032135155023} is an apocalyptic number.

123032135155023 is a deficient number, since it is larger than the sum of its proper divisors (57594278206345).

123032135155023 is a wasteful number, since it uses less digits than its factorization.

123032135155023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224102249894 (or 224102249891 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

Adding to 123032135155023 its reverse (320551531230321), we get a palindrome (443583666385344).

The spelling of 123032135155023 in words is "one hundred twenty-three trillion, thirty-two billion, one hundred thirty-five million, one hundred fifty-five thousand, twenty-three".