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16923430343 is a prime number
BaseRepresentation
bin11111100001011011…
…10000110111000111
31121200102102100002102
433300231300313013
5234124344232333
611435143502315
71136243533031
oct176055606707
947612370072
1016923430343
1171a4920776
12334375799b
131799194511
14b6786ac51
15690aeeae8
hex3f0b70dc7

16923430343 has 2 divisors, whose sum is σ = 16923430344. Its totient is φ = 16923430342.

The previous prime is 16923430331. The next prime is 16923430357. The reversal of 16923430343 is 34303432961.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16923430343 - 210 = 16923429319 is a prime.

It is a Sophie Germain prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 16923430297 and 16923430306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16923430373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8461715171 + 8461715172.

It is an arithmetic number, because the mean of its divisors is an integer number (8461715172).

Almost surely, 216923430343 is an apocalyptic number.

16923430343 is a deficient number, since it is larger than the sum of its proper divisors (1).

16923430343 is an equidigital number, since it uses as much as digits as its factorization.

16923430343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 38.

The spelling of 16923430343 in words is "sixteen billion, nine hundred twenty-three million, four hundred thirty thousand, three hundred forty-three".