340143430303 has 4 divisors (see below), whose sum is σ = 343445793808. Its totient is φ = 336841066800.

The previous prime is 340143430217. The next prime is 340143430337. The reversal of 340143430303 is 303034341043.

It is a happy number.

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 340143430303 - 2³⁷ = 202704476831 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 (340143430373) 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, 1651181598 + ... + 1651181803.

It is an arithmetic number, because the mean of its divisors is an integer number (85861448452).

Almost surely, 2^340143430303 is an apocalyptic number.

340143430303 is a deficient number, since it is larger than the sum of its proper divisors (3302363505).

340143430303 is a wasteful number, since it uses less digits than its factorization.

340143430303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3302363504.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 340143430303 its reverse (303034341043), we get a palindrome (643177771346).

The spelling of 340143430303 in words is "three hundred forty billion, one hundred forty-three million, four hundred thirty thousand, three hundred three".