Search a number
-
+
230233123213 is a prime number
BaseRepresentation
bin1101011001101011110…
…1101010100110001101
3211000021100020110210121
43112122331222212031
512233004134420323
6253433450504541
722430251154242
oct3263275524615
9730240213717
10230233123213
1189706661145
1238754735151
1318931a97cb2
14b2014915c9
155ec779ba5d
hex359af6a98d

230233123213 has 2 divisors, whose sum is σ = 230233123214. Its totient is φ = 230233123212.

The previous prime is 230233123207. The next prime is 230233123217. The reversal of 230233123213 is 312321332032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121077553444 + 109155569769 = 347962^2 + 330387^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230233123213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230233123217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115116561606 + 115116561607.

It is an arithmetic number, because the mean of its divisors is an integer number (115116561607).

Almost surely, 2230233123213 is an apocalyptic number.

It is an amenable number.

230233123213 is a deficient number, since it is larger than the sum of its proper divisors (1).

230233123213 is an equidigital number, since it uses as much as digits as its factorization.

230233123213 is an evil number, because the sum of its binary digits is even.

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

Adding to 230233123213 its reverse (312321332032), we get a palindrome (542554455245).

The spelling of 230233123213 in words is "two hundred thirty billion, two hundred thirty-three million, one hundred twenty-three thousand, two hundred thirteen".