402434430343 has 6 divisors (see below), whose sum is σ = 442345283072. Its totient is φ = 365849482020.

The previous prime is 402434430341. The next prime is 402434430347. The reversal of 402434430343 is 343034434204.

It is not a de Polignac number, because 402434430343 - 2¹ = 402434430341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402434430299 and 402434430308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402434430341) 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, 1662952071 + ... + 1662952312.

Almost surely, 2^402434430343 is an apocalyptic number.

402434430343 is a deficient number, since it is larger than the sum of its proper divisors (39910852729).

402434430343 is a wasteful number, since it uses less digits than its factorization.

402434430343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3325904405 (or 3325904394 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 34.

Adding to 402434430343 its reverse (343034434204), we get a palindrome (745468864547).

The spelling of 402434430343 in words is "four hundred two billion, four hundred thirty-four million, four hundred thirty thousand, three hundred forty-three".