343425220205453 has 4 divisors (see below), whose sum is σ = 343425405500160. Its totient is φ = 343425034910748.

The previous prime is 343425220205447. The next prime is 343425220205461. The reversal of 343425220205453 is 354502022524343.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 343425220205453 - 2¹⁶ = 343425220139917 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 (343425220205413) 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, 89838875 + ... + 93583512.

It is an arithmetic number, because the mean of its divisors is an integer number (85856351375040).

Almost surely, 2^{343425220205453} is an apocalyptic number.

It is an amenable number.

343425220205453 is a deficient number, since it is larger than the sum of its proper divisors (185294707).

343425220205453 is a wasteful number, since it uses less digits than its factorization.

343425220205453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185294706.

The product of its (nonzero) digits is 3456000, while the sum is 44.

Adding to 343425220205453 its reverse (354502022524343), we get a palindrome (697927242729796).

The spelling of 343425220205453 in words is "three hundred forty-three trillion, four hundred twenty-five billion, two hundred twenty million, two hundred five thousand, four hundred fifty-three".