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123102030203 is a prime number
BaseRepresentation
bin111001010100101110…
…0111110100101111011
3102202202012012001221222
41302221130332211323
54004103104431303
6132315143422255
711615403664145
oct1625134764573
9382665161858
10123102030203
1148230983349
121ba3675498b
13b7baa734b9
145d5b30bc95
1533074a0938
hex1ca973e97b

123102030203 has 2 divisors, whose sum is σ = 123102030204. Its totient is φ = 123102030202.

The previous prime is 123102030167. The next prime is 123102030211. The reversal of 123102030203 is 302030201321.

It is a strong prime.

It is an emirp because it is prime and its reverse (302030201321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123102030203 - 218 = 123101768059 is a prime.

It is not a weakly prime, because it can be changed into another prime (123102030703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61551015101 + 61551015102.

It is an arithmetic number, because the mean of its divisors is an integer number (61551015102).

Almost surely, 2123102030203 is an apocalyptic number.

123102030203 is a deficient number, since it is larger than the sum of its proper divisors (1).

123102030203 is an equidigital number, since it uses as much as digits as its factorization.

123102030203 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.

Adding to 123102030203 its reverse (302030201321), we get a palindrome (425132231524).

The spelling of 123102030203 in words is "one hundred twenty-three billion, one hundred two million, thirty thousand, two hundred three".