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223101233 is a prime number
BaseRepresentation
bin11010100110001…
…00000100110001
3120112210201100122
431103010010301
5424103214413
634045500025
75346220625
oct1523040461
9515721318
10223101233
11104a31293
1262871615
13372b5184
14218b7185
15148be108
hexd4c4131

223101233 has 2 divisors, whose sum is σ = 223101234. Its totient is φ = 223101232.

The previous prime is 223101227. The next prime is 223101257. The reversal of 223101233 is 332101322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148157584 + 74943649 = 12172^2 + 8657^2 .

It is a cyclic number.

It is not a de Polignac number, because 223101233 - 26 = 223101169 is a prime.

It is a super-3 number, since 3×2231012333 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (223101283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111550616 + 111550617.

It is an arithmetic number, because the mean of its divisors is an integer number (111550617).

Almost surely, 2223101233 is an apocalyptic number.

It is an amenable number.

223101233 is a deficient number, since it is larger than the sum of its proper divisors (1).

223101233 is an equidigital number, since it uses as much as digits as its factorization.

223101233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 223101233 is about 14936.5736700222. The cubic root of 223101233 is about 606.5044478659.

Adding to 223101233 its reverse (332101322), we get a palindrome (555202555).

The spelling of 223101233 in words is "two hundred twenty-three million, one hundred one thousand, two hundred thirty-three".