23453213213 has 2 divisors, whose sum is σ = 23453213214. Its totient is φ = 23453213212.

The previous prime is 23453213177. The next prime is 23453213227. The reversal of 23453213213 is 31231235432.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17534526724 + 5918686489 = 132418^2 + 76933^2 .

It is a cyclic number.

It is not a de Polignac number, because 23453213213 - 2¹⁴ = 23453196829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23453213233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11726606606 + 11726606607.

It is an arithmetic number, because the mean of its divisors is an integer number (11726606607).

Almost surely, 2^23453213213 is an apocalyptic number.

It is an amenable number.

23453213213 is a deficient number, since it is larger than the sum of its proper divisors (1).

23453213213 is an equidigital number, since it uses as much as digits as its factorization.

23453213213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 29.

Adding to 23453213213 its reverse (31231235432), we get a palindrome (54684448645).

The spelling of 23453213213 in words is "twenty-three billion, four hundred fifty-three million, two hundred thirteen thousand, two hundred thirteen".