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85123067 is a prime number
BaseRepresentation
bin1010001001011…
…01111111111011
312221011200220012
411010231333323
5133242414232
612240252135
72052351131
oct504557773
9187150805
1085123067
1144060247
122461104b
13148351a3
14b43b751
1577169b2
hex512dffb

85123067 has 2 divisors, whose sum is σ = 85123068. Its totient is φ = 85123066.

The previous prime is 85123061. The next prime is 85123099. The reversal of 85123067 is 76032158.

It is a happy number.

It is an a-pointer prime, because the next prime (85123099) can be obtained adding 85123067 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-85123067 is a prime.

It is not a weakly prime, because it can be changed into another prime (85123061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42561533 + 42561534.

It is an arithmetic number, because the mean of its divisors is an integer number (42561534).

Almost surely, 285123067 is an apocalyptic number.

85123067 is a deficient number, since it is larger than the sum of its proper divisors (1).

85123067 is an equidigital number, since it uses as much as digits as its factorization.

85123067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 85123067 is about 9226.2162883817. The cubic root of 85123067 is about 439.8950627850.

Subtracting from 85123067 its reverse (76032158), we obtain a palindrome (9090909).

The spelling of 85123067 in words is "eighty-five million, one hundred twenty-three thousand, sixty-seven".