3870208523 has 2 divisors, whose sum is σ = 3870208524. Its totient is φ = 3870208522.

The previous prime is 3870208493. The next prime is 3870208549. The reversal of 3870208523 is 3258020783.

It is a strong prime.

It is an emirp because it is prime and its reverse (3258020783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3870208523 - 2²⁰ = 3869159947 is a prime.

It is not a weakly prime, because it can be changed into another prime (3870205523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1935104261 + 1935104262.

It is an arithmetic number, because the mean of its divisors is an integer number (1935104262).

Almost surely, 2^3870208523 is an apocalyptic number.

3870208523 is a deficient number, since it is larger than the sum of its proper divisors (1).

3870208523 is an equidigital number, since it uses as much as digits as its factorization.

3870208523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 3870208523 is about 62211.0000160743. Note that the first 4 decimals coincide. The cubic root of 3870208523 is about 1570.0426676437.

The spelling of 3870208523 in words is "three billion, eight hundred seventy million, two hundred eight thousand, five hundred twenty-three".