343421123312 has 40 divisors (see below), whose sum is σ = 690293913600. Its totient is φ = 165336431040.

The previous prime is 343421123273. The next prime is 343421123327. The reversal of 343421123312 is 213321124343.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1640948 + ... + 1838355.

It is an arithmetic number, because the mean of its divisors is an integer number (17257347840).

Almost surely, 2^343421123312 is an apocalyptic number.

It is an amenable number.

343421123312 is an abundant number, since it is smaller than the sum of its proper divisors (346872790288).

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

343421123312 is a wasteful number, since it uses less digits than its factorization.

343421123312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3479541 (or 3479535 counting only the distinct ones).

The product of its digits is 10368, while the sum is 29.

Adding to 343421123312 its reverse (213321124343), we get a palindrome (556742247655).

The spelling of 343421123312 in words is "three hundred forty-three billion, four hundred twenty-one million, one hundred twenty-three thousand, three hundred twelve".