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BaseRepresentation
bin1101101100101100011101…
…10010000011001100101111
310221122201201202000122220001
412312112032302003030233
512422013401242204243
6144022152104205131
76226213022640115
oct666261662031457
9127581652018801
1030123001131823
119664102919a06
1234660581697a7
1313a6782316062
14761d65111ab5
1537387d498a4d
hex1b658ec8332f

30123001131823 has 2 divisors, whose sum is σ = 30123001131824. Its totient is φ = 30123001131822.

The previous prime is 30123001131791. The next prime is 30123001131851. The reversal of 30123001131823 is 32813110032103.

It is an a-pointer prime, because the next prime (30123001131851) can be obtained adding 30123001131823 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30123001131823 - 25 = 30123001131791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30123001131791 and 30123001131800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30123001131863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15061500565911 + 15061500565912.

It is an arithmetic number, because the mean of its divisors is an integer number (15061500565912).

Almost surely, 230123001131823 is an apocalyptic number.

30123001131823 is a deficient number, since it is larger than the sum of its proper divisors (1).

30123001131823 is an equidigital number, since it uses as much as digits as its factorization.

30123001131823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 30123001131823 its reverse (32813110032103), we get a palindrome (62936111163926).

The spelling of 30123001131823 in words is "thirty trillion, one hundred twenty-three billion, one million, one hundred thirty-one thousand, eight hundred twenty-three".