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1204330123 is a prime number
BaseRepresentation
bin100011111001000…
…1001111010001011
310002221011022100101
41013302021322023
54431302030443
6315300550231
741562431353
oct10762117213
93087138311
101204330123
115688a4057
122973b2377
1316267c399
14b5d39b63
1570ae384d
hex47c89e8b

1204330123 has 2 divisors, whose sum is σ = 1204330124. Its totient is φ = 1204330122.

The previous prime is 1204330121. The next prime is 1204330177. The reversal of 1204330123 is 3210334021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1204330123 - 21 = 1204330121 is a prime.

It is a super-2 number, since 2×12043301232 = 2900822090330390258, which contains 22 as substring.

Together with 1204330121, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1204330123.

It is not a weakly prime, because it can be changed into another prime (1204330121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602165061 + 602165062.

It is an arithmetic number, because the mean of its divisors is an integer number (602165062).

Almost surely, 21204330123 is an apocalyptic number.

1204330123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204330123 is an equidigital number, since it uses as much as digits as its factorization.

1204330123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1204330123 is about 34703.4598131080. The cubic root of 1204330123 is about 1063.9352132688.

Adding to 1204330123 its reverse (3210334021), we get a palindrome (4414664144).

The spelling of 1204330123 in words is "one billion, two hundred four million, three hundred thirty thousand, one hundred twenty-three".