343144420 has 24 divisors (see below), whose sum is σ = 730755648. Its totient is φ = 135324000.

The previous prime is 343144411. The next prime is 343144423. The reversal of 343144420 is 24441343.

It is not an unprimeable number, because it can be changed into a prime (343144423) 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, 119406 + ... + 122245.

It is an arithmetic number, because the mean of its divisors is an integer number (30448152).

Almost surely, 2^343144420 is an apocalyptic number.

It is an amenable number.

343144420 is an abundant number, since it is smaller than the sum of its proper divisors (387611228).

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

343144420 is a wasteful number, since it uses less digits than its factorization.

343144420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241731 (or 241729 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 343144420 is about 18524.1577406370. The cubic root of 343144420 is about 700.0982311125.

Adding to 343144420 its reverse (24441343), we get a palindrome (367585763).

The spelling of 343144420 in words is "three hundred forty-three million, one hundred forty-four thousand, four hundred twenty".