Search a number
-
+
123003210353 is a prime number
BaseRepresentation
bin111001010001110010…
…0000000101001110001
3102202111022020111121112
41302203210000221301
54003402310212403
6132301253403105
711613064015502
oct1624344005161
9382438214545
10123003210353
1148190118551
121ba09639495
13b7a3453c0a
145d4c146ba9
1532ed9809d8
hex1ca3900a71

123003210353 has 2 divisors, whose sum is σ = 123003210354. Its totient is φ = 123003210352.

The previous prime is 123003210329. The next prime is 123003210383. The reversal of 123003210353 is 353012300321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69541909264 + 53461301089 = 263708^2 + 231217^2 .

It is an emirp because it is prime and its reverse (353012300321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-123003210353 is a prime.

It is not a weakly prime, because it can be changed into another prime (123003210313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61501605176 + 61501605177.

It is an arithmetic number, because the mean of its divisors is an integer number (61501605177).

Almost surely, 2123003210353 is an apocalyptic number.

It is an amenable number.

123003210353 is a deficient number, since it is larger than the sum of its proper divisors (1).

123003210353 is an equidigital number, since it uses as much as digits as its factorization.

123003210353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 23.

Adding to 123003210353 its reverse (353012300321), we get a palindrome (476015510674).

The spelling of 123003210353 in words is "one hundred twenty-three billion, three million, two hundred ten thousand, three hundred fifty-three".