343889988343 has 4 divisors (see below), whose sum is σ = 375152714568. Its totient is φ = 312627262120.

The previous prime is 343889988341. The next prime is 343889988359.

343889988343 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 343889988343 - 2¹ = 343889988341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343889988341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15631363096 + ... + 15631363117.

It is an arithmetic number, because the mean of its divisors is an integer number (93788178642).

Almost surely, 2^343889988343 is an apocalyptic number.

343889988343 is a deficient number, since it is larger than the sum of its proper divisors (31262726225).

343889988343 is a wasteful number, since it uses less digits than its factorization.

343889988343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31262726224.

The product of its digits is 429981696, while the sum is 70.

The spelling of 343889988343 in words is "three hundred forty-three billion, eight hundred eighty-nine million, nine hundred eighty-eight thousand, three hundred forty-three".