340421333033143 has 4 divisors (see below), whose sum is σ = 340433950136328. Its totient is φ = 340408715929960.

The previous prime is 340421333033123. The next prime is 340421333033161. The reversal of 340421333033143 is 341330333124043.

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 340421333033143 - 2¹⁷ = 340421332902071 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 (340421333033123) 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, 6308511121 + ... + 6308565082.

It is an arithmetic number, because the mean of its divisors is an integer number (85108487534082).

Almost surely, 2^{340421333033143} is an apocalyptic number.

340421333033143 is a deficient number, since it is larger than the sum of its proper divisors (12617103185).

340421333033143 is a wasteful number, since it uses less digits than its factorization.

340421333033143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12617103184.

The product of its (nonzero) digits is 279936, while the sum is 37.

Adding to 340421333033143 its reverse (341330333124043), we get a palindrome (681751666157186).

The spelling of 340421333033143 in words is "three hundred forty trillion, four hundred twenty-one billion, three hundred thirty-three million, thirty-three thousand, one hundred forty-three".