123032135155253 has 32 divisors (see below), whose sum is σ = 133204211395200. Its totient is φ = 113257853807616.

The previous prime is 123032135155219. The next prime is 123032135155289. The reversal of 123032135155253 is 352551531230321.

It is a cyclic number.

It is not a de Polignac number, because 123032135155253 - 2³² = 123027840187957 is a prime.

It is a super-2 number, since 2×123032135155253² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123032135155253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123032135155753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2174875553 + ... + 2174932121.

It is an arithmetic number, because the mean of its divisors is an integer number (4162631606100).

Almost surely, 2^{123032135155253} is an apocalyptic number.

It is an amenable number.

123032135155253 is a deficient number, since it is larger than the sum of its proper divisors (10172076239947).

123032135155253 is a wasteful number, since it uses less digits than its factorization.

123032135155253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70341.

The product of its (nonzero) digits is 405000, while the sum is 41.

Adding to 123032135155253 its reverse (352551531230321), we get a palindrome (475583666385574).

The spelling of 123032135155253 in words is "one hundred twenty-three trillion, thirty-two billion, one hundred thirty-five million, one hundred fifty-five thousand, two hundred fifty-three".