355432121343 has 18 divisors (see below), whose sum is σ = 555932294736. Its totient is φ = 218727458352.

The previous prime is 355432121333. The next prime is 355432121347. The reversal of 355432121343 is 343121234553.

355432121343 is a `hidden beast` number, since 3 + 5 + 5 + 432 + 1 + 213 + 4 + 3 = 666.

It is not a de Polignac number, because 355432121343 - 2⁶ = 355432121279 is a prime.

It is a super-2 number, since 2×355432121343² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 355432121298 and 355432121307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355432121347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 116840071 + ... + 116843112.

Almost surely, 2^355432121343 is an apocalyptic number.

355432121343 is a deficient number, since it is larger than the sum of its proper divisors (200500173393).

355432121343 is a wasteful number, since it uses less digits than its factorization.

355432121343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233683215 (or 233683199 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

Adding to 355432121343 its reverse (343121234553), we get a palindrome (698553355896).

The spelling of 355432121343 in words is "three hundred fifty-five billion, four hundred thirty-two million, one hundred twenty-one thousand, three hundred forty-three".