343623812 has 24 divisors (see below), whose sum is σ = 696931200. Its totient is φ = 145192320.

The previous prime is 343623799. The next prime is 343623817. The reversal of 343623812 is 218326343.

It is a super-2 number, since 2×343623812² = 236154648346822688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (343623817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84437 + ... + 88412.

It is an arithmetic number, because the mean of its divisors is an integer number (29038800).

Almost surely, 2^343623812 is an apocalyptic number.

It is an amenable number.

343623812 is an abundant number, since it is smaller than the sum of its proper divisors (353307388).

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

343623812 is a wasteful number, since it uses less digits than its factorization.

343623812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172931 (or 172929 counting only the distinct ones).

The product of its digits is 20736, while the sum is 32.

The square root of 343623812 is about 18537.0928680848. The cubic root of 343623812 is about 700.4241049029.

The spelling of 343623812 in words is "three hundred forty-three million, six hundred twenty-three thousand, eight hundred twelve".