343023415243240 has 16 divisors (see below), whose sum is σ = 771802684297380. Its totient is φ = 137209366097280.

The previous prime is 343023415243219. The next prime is 343023415243283. The reversal of 343023415243240 is 42342514320343.

It can be written as a sum of positive squares in 2 ways, for example, as 326793620024356 + 16229795218884 = 18077434^2 + 4028622^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 8575585381081 = 343023415243240 / (3 + 4 + 3 + 0 + 2 + 3 + 4 + 1 + 5 + 2 + 4 + 3 + 2 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 343023415243193 and 343023415243202.

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, 4287792690501 + ... + 4287792690580.

Almost surely, 2^{343023415243240} is an apocalyptic number.

It is an amenable number.

343023415243240 is an abundant number, since it is smaller than the sum of its proper divisors (428779269054140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

343023415243240 is a wasteful number, since it uses less digits than its factorization.

343023415243240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8575585381092 (or 8575585381088 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 40.

Adding to 343023415243240 its reverse (42342514320343), we get a palindrome (385365929563583).

The spelling of 343023415243240 in words is "three hundred forty-three trillion, twenty-three billion, four hundred fifteen million, two hundred forty-three thousand, two hundred forty".