104342309 has 2 divisors, whose sum is σ = 104342310. Its totient is φ = 104342308.

The previous prime is 104342263. The next prime is 104342323. The reversal of 104342309 is 903243401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68939809 + 35402500 = 8303^2 + 5950^2 .

It is a cyclic number.

It is not a de Polignac number, because 104342309 - 2¹⁶ = 104276773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104342339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52171154 + 52171155.

It is an arithmetic number, because the mean of its divisors is an integer number (52171155).

Almost surely, 2^104342309 is an apocalyptic number.

It is an amenable number.

104342309 is a deficient number, since it is larger than the sum of its proper divisors (1).

104342309 is an equidigital number, since it uses as much as digits as its factorization.

104342309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 104342309 is about 10214.8083192980. The cubic root of 104342309 is about 470.7823231622.

The spelling of 104342309 in words is "one hundred four million, three hundred forty-two thousand, three hundred nine".