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30123012223 is a prime number
BaseRepresentation
bin11100000011011110…
…001011000001111111
32212202022202120102101
4130003132023001333
5443142442342343
621501024405531
72114322244033
oct340336130177
985668676371
1030123012223
1111858722a27
125a081768a7
132ac0a050b5
14165a90a1c3
15bb4826e4d
hex70378b07f

30123012223 has 2 divisors, whose sum is σ = 30123012224. Its totient is φ = 30123012222.

The previous prime is 30123012217. The next prime is 30123012229. The reversal of 30123012223 is 32221032103.

It is a balanced prime because it is at equal distance from previous prime (30123012217) and next prime (30123012229).

It is a cyclic number.

It is not a de Polignac number, because 30123012223 - 225 = 30089457791 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30123012223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30123012229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15061506111 + 15061506112.

It is an arithmetic number, because the mean of its divisors is an integer number (15061506112).

Almost surely, 230123012223 is an apocalyptic number.

30123012223 is a deficient number, since it is larger than the sum of its proper divisors (1).

30123012223 is an equidigital number, since it uses as much as digits as its factorization.

30123012223 is an odious number, because the sum of its binary digits is odd.

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

Adding to 30123012223 its reverse (32221032103), we get a palindrome (62344044326).

The spelling of 30123012223 in words is "thirty billion, one hundred twenty-three million, twelve thousand, two hundred twenty-three".