343431014123440 has 160 divisors (see below), whose sum is σ = 813552682420800. Its totient is φ = 134787790295040.

The previous prime is 343431014123437. The next prime is 343431014123497. The reversal of 343431014123440 is 44321410134343.

It is a super-2 number, since 2×343431014123440² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 343431014123440.

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, 7164789714 + ... + 7164837646.

It is an arithmetic number, because the mean of its divisors is an integer number (5084704265130).

Almost surely, 2^{343431014123440} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343431014123440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (406776341210400).

343431014123440 is an abundant number, since it is smaller than the sum of its proper divisors (470121668297360).

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

343431014123440 is a wasteful number, since it uses less digits than its factorization.

343431014123440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50855 (or 50849 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 343431014123440 its reverse (44321410134343), we get a palindrome (387752424257783).

The spelling of 343431014123440 in words is "three hundred forty-three trillion, four hundred thirty-one billion, fourteen million, one hundred twenty-three thousand, four hundred forty".