3685203352823 has 2 divisors, whose sum is σ = 3685203352824. Its totient is φ = 3685203352822.

The previous prime is 3685203352793. The next prime is 3685203352837. The reversal of 3685203352823 is 3282533025863.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3685203352823 - 2⁶ = 3685203352759 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3685203342823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1842601676411 + 1842601676412.

It is an arithmetic number, because the mean of its divisors is an integer number (1842601676412).

Almost surely, 2^{3685203352823} is an apocalyptic number.

3685203352823 is a deficient number, since it is larger than the sum of its proper divisors (1).

3685203352823 is an equidigital number, since it uses as much as digits as its factorization.

3685203352823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6220800, while the sum is 50.

The spelling of 3685203352823 in words is "three trillion, six hundred eighty-five billion, two hundred three million, three hundred fifty-two thousand, eight hundred twenty-three".