123243425054533 has 16 divisors (see below), whose sum is σ = 142572688263936. Its totient is φ = 104349757766400.

The previous prime is 123243425054473. The next prime is 123243425054579. The reversal of 123243425054533 is 335450524342321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123243425054533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123243425054033) 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, 200985841 + ... + 201598102.

It is an arithmetic number, because the mean of its divisors is an integer number (8910793016496).

Almost surely, 2^{123243425054533} is an apocalyptic number.

It is an amenable number.

123243425054533 is a deficient number, since it is larger than the sum of its proper divisors (19329263209403).

123243425054533 is a wasteful number, since it uses less digits than its factorization.

123243425054533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402584484.

The product of its (nonzero) digits is 5184000, while the sum is 46.

Adding to 123243425054533 its reverse (335450524342321), we get a palindrome (458693949396854).

The spelling of 123243425054533 in words is "one hundred twenty-three trillion, two hundred forty-three billion, four hundred twenty-five million, fifty-four thousand, five hundred thirty-three".