104121623 has 2 divisors, whose sum is σ = 104121624. Its totient is φ = 104121622.

The previous prime is 104121569. The next prime is 104121659. The reversal of 104121623 is 326121401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 104121623 - 2⁶ = 104121559 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 104121595 and 104121604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104121323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52060811 + 52060812.

It is an arithmetic number, because the mean of its divisors is an integer number (52060812).

Almost surely, 2^104121623 is an apocalyptic number.

104121623 is a deficient number, since it is larger than the sum of its proper divisors (1).

104121623 is an equidigital number, since it uses as much as digits as its factorization.

104121623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 104121623 is about 10204.0003430027. Note that the first 3 decimals coincide. The cubic root of 104121623 is about 470.4501843214.

The spelling of 104121623 in words is "one hundred four million, one hundred twenty-one thousand, six hundred twenty-three".