230123203213 has 2 divisors, whose sum is σ = 230123203214. Its totient is φ = 230123203212.

The previous prime is 230123203151. The next prime is 230123203217. The reversal of 230123203213 is 312302321032.

230123203213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158819784484 + 71303418729 = 398522^2 + 267027^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230123203213 is a prime.

It is a super-4 number, since 4×230123203213⁴ (a number of 47 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230123203217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115061601606 + 115061601607.

It is an arithmetic number, because the mean of its divisors is an integer number (115061601607).

Almost surely, 2^230123203213 is an apocalyptic number.

It is an amenable number.

230123203213 is a deficient number, since it is larger than the sum of its proper divisors (1).

230123203213 is an equidigital number, since it uses as much as digits as its factorization.

230123203213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 230123203213 its reverse (312302321032), we get a palindrome (542425524245).

The spelling of 230123203213 in words is "two hundred thirty billion, one hundred twenty-three million, two hundred three thousand, two hundred thirteen".