83819123 has 2 divisors, whose sum is σ = 83819124. Its totient is φ = 83819122.

The previous prime is 83819119. The next prime is 83819149. The reversal of 83819123 is 32191838.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83819123 - 2² = 83819119 is a prime.

It is not a weakly prime, because it can be changed into another prime (83819173) 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, 41909561 + 41909562.

It is an arithmetic number, because the mean of its divisors is an integer number (41909562).

Almost surely, 2^83819123 is an apocalyptic number.

83819123 is a deficient number, since it is larger than the sum of its proper divisors (1).

83819123 is an equidigital number, since it uses as much as digits as its factorization.

83819123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 35.

The square root of 83819123 is about 9155.2784228553. The cubic root of 83819123 is about 437.6373411531.

The spelling of 83819123 in words is "eighty-three million, eight hundred nineteen thousand, one hundred twenty-three".