104147123 has 2 divisors, whose sum is σ = 104147124. Its totient is φ = 104147122.

The previous prime is 104147107. The next prime is 104147171. The reversal of 104147123 is 321741401.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104147123 - 2⁴ = 104147107 is a prime.

It is not a weakly prime, because it can be changed into another prime (104141123) 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, 52073561 + 52073562.

It is an arithmetic number, because the mean of its divisors is an integer number (52073562).

Almost surely, 2^104147123 is an apocalyptic number.

104147123 is a deficient number, since it is larger than the sum of its proper divisors (1).

104147123 is an equidigital number, since it uses as much as digits as its factorization.

104147123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 104147123 is about 10205.2497764631. The cubic root of 104147123 is about 470.4885865289.

Adding to 104147123 its reverse (321741401), we get a palindrome (425888524).

The spelling of 104147123 in words is "one hundred four million, one hundred forty-seven thousand, one hundred twenty-three".