Search a number
-
+
1223210323061 is a prime number
BaseRepresentation
bin10001110011001101000…
…001000100110001110101
311022221022122000200120022
4101303031001010301311
5130020113320314221
62333533550214525
7154242202123256
oct21631501046165
94287278020508
101223210323061
1143184037a371
121790967b4445
138b46b106a8c
14432bcd24b2d
1521c426e34ab
hex11ccd044c75

1223210323061 has 2 divisors, whose sum is σ = 1223210323062. Its totient is φ = 1223210323060.

The previous prime is 1223210323001. The next prime is 1223210323099. The reversal of 1223210323061 is 1603230123221.

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., 811136198161 + 412074124900 = 900631^2 + 641930^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223210323061 - 214 = 1223210306677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1223210323061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223210323001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611605161530 + 611605161531.

It is an arithmetic number, because the mean of its divisors is an integer number (611605161531).

Almost surely, 21223210323061 is an apocalyptic number.

It is an amenable number.

1223210323061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223210323061 is an equidigital number, since it uses as much as digits as its factorization.

1223210323061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 1223210323061 its reverse (1603230123221), we get a palindrome (2826440446282).

The spelling of 1223210323061 in words is "one trillion, two hundred twenty-three billion, two hundred ten million, three hundred twenty-three thousand, sixty-one".