343021121120343 has 128 divisors (see below), whose sum is σ = 511378823577600. Its totient is φ = 203417741463552.

The previous prime is 343021121120329. The next prime is 343021121120347.

343021121120343 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 343021121120343 - 2¹⁷ = 343021120989271 is a prime.

It is a super-3 number, since 3×343021121120343³ (a number of 45 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 343021121120343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343021121120347) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 40152298330 + ... + 40152306872.

It is an arithmetic number, because the mean of its divisors is an integer number (3995147059200).

Almost surely, 2^{343021121120343} is an apocalyptic number.

343021121120343 is a deficient number, since it is larger than the sum of its proper divisors (168357702457257).

343021121120343 is a wasteful number, since it uses less digits than its factorization.

343021121120343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9781.

The product of its (nonzero) digits is 10368, while the sum is 30.

The spelling of 343021121120343 in words is "three hundred forty-three trillion, twenty-one billion, one hundred twenty-one million, one hundred twenty thousand, three hundred forty-three".