212423201343 has 48 divisors (see below), whose sum is σ = 318314689056. Its totient is φ = 136421925120.

The previous prime is 212423201339. The next prime is 212423201363. The reversal of 212423201343 is 343102324212.

212423201343 is a `hidden beast` number, since 2 + 1 + 2 + 423 + 201 + 34 + 3 = 666.

It is not a de Polignac number, because 212423201343 - 2² = 212423201339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212423201363) 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, 17073721 + ... + 17086157.

It is an arithmetic number, because the mean of its divisors is an integer number (6631556022).

Almost surely, 2^212423201343 is an apocalyptic number.

212423201343 is a deficient number, since it is larger than the sum of its proper divisors (105891487713).

212423201343 is a wasteful number, since it uses less digits than its factorization.

212423201343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13144 (or 13141 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 212423201343 its reverse (343102324212), we get a palindrome (555525525555).

The spelling of 212423201343 in words is "two hundred twelve billion, four hundred twenty-three million, two hundred one thousand, three hundred forty-three".