23212333213 has 2 divisors, whose sum is σ = 23212333214. Its totient is φ = 23212333212.

The previous prime is 23212333201. The next prime is 23212333223. The reversal of 23212333213 is 31233321232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22583477284 + 628855929 = 150278^2 + 25077^2 .

It is a cyclic number.

It is not a de Polignac number, because 23212333213 - 2²¹ = 23210236061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23212333223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11606166606 + 11606166607.

It is an arithmetic number, because the mean of its divisors is an integer number (11606166607).

Almost surely, 2^23212333213 is an apocalyptic number.

It is an amenable number.

23212333213 is a deficient number, since it is larger than the sum of its proper divisors (1).

23212333213 is an equidigital number, since it uses as much as digits as its factorization.

23212333213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 25.

Adding to 23212333213 its reverse (31233321232), we get a palindrome (54445654445).

The spelling of 23212333213 in words is "twenty-three billion, two hundred twelve million, three hundred thirty-three thousand, two hundred thirteen".