343423340 has 24 divisors (see below), whose sum is σ = 776665680. Its totient is φ = 126802368.

The previous prime is 343423337. The next prime is 343423391. The reversal of 343423340 is 43324343.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 660170 + ... + 660689.

It is an arithmetic number, because the mean of its divisors is an integer number (32361070).

Almost surely, 2^343423340 is an apocalyptic number.

It is an amenable number.

343423340 is an abundant number, since it is smaller than the sum of its proper divisors (433242340).

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

343423340 is a wasteful number, since it uses less digits than its factorization.

343423340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320881 (or 1320879 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 26.

The square root of 343423340 is about 18531.6847588124. The cubic root of 343423340 is about 700.2878679955.

Adding to 343423340 its reverse (43324343), we get a palindrome (386747683).

The spelling of 343423340 in words is "three hundred forty-three million, four hundred twenty-three thousand, three hundred forty".