343043021404 has 12 divisors (see below), whose sum is σ = 600487169800. Its totient is φ = 171475258608.

The previous prime is 343043021309. The next prime is 343043021411. The reversal of 343043021404 is 404120340343.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11546334 + ... + 11576005.

Almost surely, 2^343043021404 is an apocalyptic number.

It is an amenable number.

343043021404 is a deficient number, since it is larger than the sum of its proper divisors (257444148396).

343043021404 is a wasteful number, since it uses less digits than its factorization.

343043021404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23126052 (or 23126050 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 343043021404 its reverse (404120340343), we get a palindrome (747163361747).

The spelling of 343043021404 in words is "three hundred forty-three billion, forty-three million, twenty-one thousand, four hundred four".