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123103120219 is a prime number
BaseRepresentation
bin111001010100110000…
…1001000101101011011
3102202202021020110011221
41302221201020231123
54004103344321334
6132315223032511
711615416154062
oct1625141105533
9382667213157
10123103120219
1148231558292
121ba36b9b737
13b7bb065691
145d5b5131d9
1533076188b4
hex1ca9848b5b

123103120219 has 2 divisors, whose sum is σ = 123103120220. Its totient is φ = 123103120218.

The previous prime is 123103120141. The next prime is 123103120241. The reversal of 123103120219 is 912021301321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123103120219 - 233 = 114513185627 is a prime.

It is a super-2 number, since 2×1231031202192 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123103120193 and 123103120202.

It is not a weakly prime, because it can be changed into another prime (123103120919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61551560109 + 61551560110.

It is an arithmetic number, because the mean of its divisors is an integer number (61551560110).

Almost surely, 2123103120219 is an apocalyptic number.

123103120219 is a deficient number, since it is larger than the sum of its proper divisors (1).

123103120219 is an equidigital number, since it uses as much as digits as its factorization.

123103120219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 123103120219 in words is "one hundred twenty-three billion, one hundred three million, one hundred twenty thousand, two hundred nineteen".