343203442 has 4 divisors (see below), whose sum is σ = 514805166. Its totient is φ = 171601720.

The previous prime is 343203431. The next prime is 343203457. The reversal of 343203442 is 244302343.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 233142361 + 110061081 = 15269^2 + 10491^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85800859 + ... + 85800862.

Almost surely, 2^343203442 is an apocalyptic number.

343203442 is a deficient number, since it is larger than the sum of its proper divisors (171601724).

343203442 is a wasteful number, since it uses less digits than its factorization.

343203442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171601723.

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 343203442 is about 18525.7507810075. The cubic root of 343203442 is about 700.1383685653.

Adding to 343203442 its reverse (244302343), we get a palindrome (587505785).

The spelling of 343203442 in words is "three hundred forty-three million, two hundred three thousand, four hundred forty-two".