340453514143 has 4 divisors (see below), whose sum is σ = 340493571288. Its totient is φ = 340413457000.

The previous prime is 340453514053. The next prime is 340453514153. The reversal of 340453514143 is 341415354043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341415354043 = 47 ⋅7264156469.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340453514143 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 (340453514153) 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, 20015821 + ... + 20032822.

It is an arithmetic number, because the mean of its divisors is an integer number (85123392822).

Almost surely, 2^340453514143 is an apocalyptic number.

340453514143 is a deficient number, since it is larger than the sum of its proper divisors (40057145).

340453514143 is an equidigital number, since it uses as much as digits as its factorization.

340453514143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40057144.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 340453514143 its reverse (341415354043), we get a palindrome (681868868186).

The spelling of 340453514143 in words is "three hundred forty billion, four hundred fifty-three million, five hundred fourteen thousand, one hundred forty-three".