123342304112240 has 20 divisors (see below), whose sum is σ = 286770857061144. Its totient is φ = 49336921644864.

The previous prime is 123342304112233. The next prime is 123342304112243. The reversal of 123342304112240 is 42211403243321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 123342304112197 and 123342304112206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123342304112243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 770889400622 + ... + 770889400781.

Almost surely, 2^{123342304112240} is an apocalyptic number.

123342304112240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123342304112240 is an abundant number, since it is smaller than the sum of its proper divisors (163428552948904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123342304112240 is a wasteful number, since it uses less digits than its factorization.

123342304112240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541778801416 (or 1541778801410 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 123342304112240 its reverse (42211403243321), we get a palindrome (165553707355561).

The spelling of 123342304112240 in words is "one hundred twenty-three trillion, three hundred forty-two billion, three hundred four million, one hundred twelve thousand, two hundred forty".