104823919 has 2 divisors, whose sum is σ = 104823920. Its totient is φ = 104823918.

The previous prime is 104823913. The next prime is 104823967. The reversal of 104823919 is 919328401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104823919 - 2³ = 104823911 is a prime.

It is a super-2 number, since 2×104823919² = 21976107989037122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104823911) 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, 52411959 + 52411960.

It is an arithmetic number, because the mean of its divisors is an integer number (52411960).

Almost surely, 2^104823919 is an apocalyptic number.

104823919 is a deficient number, since it is larger than the sum of its proper divisors (1).

104823919 is an equidigital number, since it uses as much as digits as its factorization.

104823919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 104823919 is about 10238.3552878380. The cubic root of 104823919 is about 471.5055373791.

The spelling of 104823919 in words is "one hundred four million, eight hundred twenty-three thousand, nine hundred nineteen".