104140243 has 2 divisors, whose sum is σ = 104140244. Its totient is φ = 104140242.

The previous prime is 104140219. The next prime is 104140271. The reversal of 104140243 is 342041401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104140243 - 2⁹ = 104139731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104140243.

It is not a weakly prime, because it can be changed into another prime (104141243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52070121 + 52070122.

It is an arithmetic number, because the mean of its divisors is an integer number (52070122).

Almost surely, 2^104140243 is an apocalyptic number.

104140243 is a deficient number, since it is larger than the sum of its proper divisors (1).

104140243 is an equidigital number, since it uses as much as digits as its factorization.

104140243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 104140243 is about 10204.9126894844. The cubic root of 104140243 is about 470.4782260802.

Adding to 104140243 its reverse (342041401), we get a palindrome (446181644).

The spelling of 104140243 in words is "one hundred four million, one hundred forty thousand, two hundred forty-three".