12423114340340 has 96 divisors (see below), whose sum is σ = 29430007012224. Its totient is φ = 4366106933760.

The previous prime is 12423114340313. The next prime is 12423114340361. The reversal of 12423114340340 is 4304341132421.

It is a super-2 number, since 2×12423114340340² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12423114340297 and 12423114340306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7169879 + ... + 8732318.

It is an arithmetic number, because the mean of its divisors is an integer number (306562573044).

Almost surely, 2^{12423114340340} is an apocalyptic number.

12423114340340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12423114340340 is an abundant number, since it is smaller than the sum of its proper divisors (17006892671884).

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

12423114340340 is a wasteful number, since it uses less digits than its factorization.

12423114340340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15902337 (or 15902335 counting only the distinct ones).

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

Adding to 12423114340340 its reverse (4304341132421), we get a palindrome (16727455472761).

The spelling of 12423114340340 in words is "twelve trillion, four hundred twenty-three billion, one hundred fourteen million, three hundred forty thousand, three hundred forty".