343123140 has 48 divisors (see below), whose sum is σ = 962563392. Its totient is φ = 91326336.

The previous prime is 343123133. The next prime is 343123153. The reversal of 343123140 is 41321343.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28287 + ... + 38553.

It is an arithmetic number, because the mean of its divisors is an integer number (20053404).

Almost surely, 2^343123140 is an apocalyptic number.

343123140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

343123140 is an abundant number, since it is smaller than the sum of its proper divisors (619440252).

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

343123140 is a wasteful number, since it uses less digits than its factorization.

343123140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10836 (or 10834 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 343123140 is about 18523.5833466422. The cubic root of 343123140 is about 700.0837586849.

Adding to 343123140 its reverse (41321343), we get a palindrome (384444483).

The spelling of 343123140 in words is "three hundred forty-three million, one hundred twenty-three thousand, one hundred forty".