123031245405532 has 12 divisors (see below), whose sum is σ = 215306284075120. Its totient is φ = 61515164241216.

The previous prime is 123031245405493. The next prime is 123031245405647. The reversal of 123031245405532 is 235504542130321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114011232 + ... + 115085287.

Almost surely, 2^{123031245405532} is an apocalyptic number.

It is an amenable number.

123031245405532 is a deficient number, since it is larger than the sum of its proper divisors (92275038669588).

123031245405532 is a wasteful number, since it uses less digits than its factorization.

123031245405532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229230780 (or 229230778 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 123031245405532 its reverse (235504542130321), we get a palindrome (358535787535853).

The spelling of 123031245405532 in words is "one hundred twenty-three trillion, thirty-one billion, two hundred forty-five million, four hundred five thousand, five hundred thirty-two".