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80432623 is a prime number
BaseRepresentation
bin1001100101101…
…00110111101111
312121100101211001
410302310313233
5131042320443
611551541131
71664444305
oct462646757
9177311731
1080432623
1141447247
1222b2a7a7
131388228b
14a97a275
1570dbd4d
hex4cb4def

80432623 has 2 divisors, whose sum is σ = 80432624. Its totient is φ = 80432622.

The previous prime is 80432621. The next prime is 80432647. The reversal of 80432623 is 32623408.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80432623 - 21 = 80432621 is a prime.

Together with 80432621, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 80432591 and 80432600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80432621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40216311 + 40216312.

It is an arithmetic number, because the mean of its divisors is an integer number (40216312).

Almost surely, 280432623 is an apocalyptic number.

80432623 is a deficient number, since it is larger than the sum of its proper divisors (1).

80432623 is an equidigital number, since it uses as much as digits as its factorization.

80432623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 80432623 is about 8968.4236630525. The cubic root of 80432623 is about 431.6622570935.

The spelling of 80432623 in words is "eighty million, four hundred thirty-two thousand, six hundred twenty-three".