213323432243 has 2 divisors, whose sum is σ = 213323432244. Its totient is φ = 213323432242.

The previous prime is 213323432237. The next prime is 213323432249. The reversal of 213323432243 is 342234323312.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (213323432237) and next prime (213323432249).

It is a cyclic number.

It is not a de Polignac number, because 213323432243 - 2¹² = 213323428147 is a prime.

It is a super-2 number, since 2×213323432243² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (213323432249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106661716121 + 106661716122.

It is an arithmetic number, because the mean of its divisors is an integer number (106661716122).

Almost surely, 2^213323432243 is an apocalyptic number.

213323432243 is a deficient number, since it is larger than the sum of its proper divisors (1).

213323432243 is an equidigital number, since it uses as much as digits as its factorization.

213323432243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 32.

Adding to 213323432243 its reverse (342234323312), we get a palindrome (555557755555).

The spelling of 213323432243 in words is "two hundred thirteen billion, three hundred twenty-three million, four hundred thirty-two thousand, two hundred forty-three".