1230340242340 has 48 divisors (see below), whose sum is σ = 2818745415360. Its totient is φ = 447372996480.

The previous prime is 1230340242323. The next prime is 1230340242349. The reversal of 1230340242340 is 432420430321.

It is a super-2 number, since 2×1230340242340² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1230340242299 and 1230340242308.

It is not an unprimeable number, because it can be changed into a prime (1230340242349) 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, 4375639 + ... + 4648321.

It is an arithmetic number, because the mean of its divisors is an integer number (58723862820).

Almost surely, 2^{1230340242340} is an apocalyptic number.

1230340242340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230340242340 is an abundant number, since it is smaller than the sum of its proper divisors (1588405173020).

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

1230340242340 is a wasteful number, since it uses less digits than its factorization.

1230340242340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293212 (or 293210 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 1230340242340 its reverse (432420430321), we get a palindrome (1662760672661).

The spelling of 1230340242340 in words is "one trillion, two hundred thirty billion, three hundred forty million, two hundred forty-two thousand, three hundred forty".