343451943 has 6 divisors (see below), whose sum is σ = 496097264. Its totient is φ = 228967956.

The previous prime is 343451929. The next prime is 343451951. The reversal of 343451943 is 349154343.

It is not a de Polignac number, because 343451943 - 2⁸ = 343451687 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 343451898 and 343451907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343451993) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19080655 + ... + 19080672.

Almost surely, 2^343451943 is an apocalyptic number.

343451943 is a deficient number, since it is larger than the sum of its proper divisors (152645321).

343451943 is a wasteful number, since it uses less digits than its factorization.

343451943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38161333 (or 38161330 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 343451943 is about 18532.4564750602. The cubic root of 343451943 is about 700.3073092851.

The spelling of 343451943 in words is "three hundred forty-three million, four hundred fifty-one thousand, nine hundred forty-three".