213024420243 has 6 divisors (see below), whose sum is σ = 307701940364. Its totient is φ = 142016280156.

The previous prime is 213024420209. The next prime is 213024420251. The reversal of 213024420243 is 342024420312.

213024420243 is a `hidden beast` number, since 213 + 0 + 2 + 4 + 420 + 24 + 3 = 666.

It is not a de Polignac number, because 213024420243 - 2⁹ = 213024419731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213024420263) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11834690005 + ... + 11834690022.

Almost surely, 2^213024420243 is an apocalyptic number.

213024420243 is a deficient number, since it is larger than the sum of its proper divisors (94677520121).

213024420243 is a wasteful number, since it uses less digits than its factorization.

213024420243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23669380033 (or 23669380030 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 213024420243 its reverse (342024420312), we get a palindrome (555048840555).

The spelling of 213024420243 in words is "two hundred thirteen billion, twenty-four million, four hundred twenty thousand, two hundred forty-three".