12343403230040 has 64 divisors (see below), whose sum is σ = 28155342074400. Its totient is φ = 4869339190272.

The previous prime is 12343403230013. The next prime is 12343403230091. The reversal of 12343403230040 is 4003230434321.

12343403230040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12343403229985 and 12343403230012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38070131 + ... + 38392989.

Almost surely, 2^{12343403230040} is an apocalyptic number.

12343403230040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12343403230040 is an abundant number, since it is smaller than the sum of its proper divisors (15811938844360).

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

12343403230040 is a wasteful number, since it uses less digits than its factorization.

12343403230040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336036 (or 336032 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 12343403230040 its reverse (4003230434321), we get a palindrome (16346633664361).

The spelling of 12343403230040 in words is "twelve trillion, three hundred forty-three billion, four hundred three million, two hundred thirty thousand, forty".