343256053557 has 16 divisors (see below), whose sum is σ = 458387504640. Its totient is φ = 228481267392.

The previous prime is 343256053541. The next prime is 343256053561. The reversal of 343256053557 is 755350652343.

It is not a de Polignac number, because 343256053557 - 2⁴ = 343256053541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343256053507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5028348 + ... + 5096154.

It is an arithmetic number, because the mean of its divisors is an integer number (28649219040).

Almost surely, 2^343256053557 is an apocalyptic number.

It is an amenable number.

343256053557 is a deficient number, since it is larger than the sum of its proper divisors (115131451083).

343256053557 is a wasteful number, since it uses less digits than its factorization.

343256053557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70412.

The product of its (nonzero) digits is 5670000, while the sum is 48.

The spelling of 343256053557 in words is "three hundred forty-three billion, two hundred fifty-six million, fifty-three thousand, five hundred fifty-seven".