104845123 has 2 divisors, whose sum is σ = 104845124. Its totient is φ = 104845122.

The previous prime is 104845073. The next prime is 104845157. The reversal of 104845123 is 321548401.

It is a strong prime.

It is an emirp because it is prime and its reverse (321548401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104845123 - 2⁹ = 104844611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 104845091 and 104845100.

It is not a weakly prime, because it can be changed into another prime (104845163) 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, 52422561 + 52422562.

It is an arithmetic number, because the mean of its divisors is an integer number (52422562).

Almost surely, 2^104845123 is an apocalyptic number.

104845123 is a deficient number, since it is larger than the sum of its proper divisors (1).

104845123 is an equidigital number, since it uses as much as digits as its factorization.

104845123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 104845123 is about 10239.3907533603. The cubic root of 104845123 is about 471.5373276087.

The spelling of 104845123 in words is "one hundred four million, eight hundred forty-five thousand, one hundred twenty-three".