23434330213 has 6 divisors (see below), whose sum is σ = 27260343366. Its totient is φ = 20086568712.

The previous prime is 23434330163. The next prime is 23434330217. The reversal of 23434330213 is 31203343432.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18415032804 + 5019297409 = 135702^2 + 70847^2 .

It is not a de Polignac number, because 23434330213 - 2⁹ = 23434329701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23434330217) 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, 239125770 + ... + 239125867.

It is an arithmetic number, because the mean of its divisors is an integer number (4543390561).

Almost surely, 2^23434330213 is an apocalyptic number.

It is an amenable number.

23434330213 is a deficient number, since it is larger than the sum of its proper divisors (3826013153).

23434330213 is an equidigital number, since it uses as much as digits as its factorization.

23434330213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478251651 (or 478251644 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 23434330213 its reverse (31203343432), we get a palindrome (54637673645).

The spelling of 23434330213 in words is "twenty-three billion, four hundred thirty-four million, three hundred thirty thousand, two hundred thirteen".