213452324343 has 48 divisors (see below), whose sum is σ = 349857233856. Its totient is φ = 124645340160.

The previous prime is 213452324311. The next prime is 213452324363. The reversal of 213452324343 is 343423254312.

213452324343 is a `hidden beast` number, since 2 + 1 + 345 + 232 + 43 + 43 = 666.

It is not a de Polignac number, because 213452324343 - 2⁵ = 213452324311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213452324298 and 213452324307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213452324303) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 689488 + ... + 949893.

It is an arithmetic number, because the mean of its divisors is an integer number (7288692372).

Almost surely, 2^213452324343 is an apocalyptic number.

213452324343 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

213452324343 is a deficient number, since it is larger than the sum of its proper divisors (136404909513).

213452324343 is a wasteful number, since it uses less digits than its factorization.

213452324343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639464 (or 1639461 counting only the distinct ones).

The product of its digits is 207360, while the sum is 36.

Adding to 213452324343 its reverse (343423254312), we get a palindrome (556875578655).

The spelling of 213452324343 in words is "two hundred thirteen billion, four hundred fifty-two million, three hundred twenty-four thousand, three hundred forty-three".