212223302343 has 128 divisors (see below), whose sum is σ = 348538982400. Its totient is φ = 126838711296.

The previous prime is 212223302341. The next prime is 212223302351. The reversal of 212223302343 is 343203322212.

212223302343 is a `hidden beast` number, since 2 + 12 + 2 + 2 + 3 + 302 + 343 = 666.

It is not a de Polignac number, because 212223302343 - 2¹ = 212223302341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212223302341) 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, 578264946 + ... + 578265312.

It is an arithmetic number, because the mean of its divisors is an integer number (2722960800).

Almost surely, 2^212223302343 is an apocalyptic number.

212223302343 is a deficient number, since it is larger than the sum of its proper divisors (136315680057).

212223302343 is a wasteful number, since it uses less digits than its factorization.

212223302343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758 (or 752 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 212223302343 its reverse (343203322212), we get a palindrome (555426624555).

The spelling of 212223302343 in words is "two hundred twelve billion, two hundred twenty-three million, three hundred two thousand, three hundred forty-three".