343256053555 has 4 divisors (see below), whose sum is σ = 411907264272. Its totient is φ = 274604842840.

The previous prime is 343256053541. The next prime is 343256053561. The reversal of 343256053555 is 555350652343.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 555350652343 = 211 ⋅2631993613.

It is not a de Polignac number, because 343256053555 - 2⁹ = 343256053043 is a prime.

It is a Duffinian number.

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, 34325605351 + ... + 34325605360.

It is an arithmetic number, because the mean of its divisors is an integer number (102976816068).

Almost surely, 2^343256053555 is an apocalyptic number.

343256053555 is a deficient number, since it is larger than the sum of its proper divisors (68651210717).

343256053555 is an equidigital number, since it uses as much as digits as its factorization.

343256053555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68651210716.

The product of its (nonzero) digits is 4050000, while the sum is 46.

The spelling of 343256053555 in words is "three hundred forty-three billion, two hundred fifty-six million, fifty-three thousand, five hundred fifty-five".