343123000000 has 196 divisors, whose sum is σ = 928497021336. Its totient is φ = 124768000000.

The previous prime is 343122999983. The next prime is 343123000007. The reversal of 343123000000 is 321343.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (343123000007) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 10984404 + ... + 11015596.

Almost surely, 2^343123000000 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 343123000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464248510668).

343123000000 is an abundant number, since it is smaller than the sum of its proper divisors (585374021336).

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

343123000000 is an frugal number, since it uses more digits than its factorization.

343123000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31246 (or 31211 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 343123000000 its reverse (321343), we get a palindrome (343123321343).

The spelling of 343123000000 in words is "three hundred forty-three billion, one hundred twenty-three million", and thus it is an aban number.