3655423 has 2 divisors, whose sum is σ = 3655424. Its totient is φ = 3655422.

The previous prime is 3655411. The next prime is 3655447. The reversal of 3655423 is 3245563.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3655423 is a prime.

3655423 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3655391 and 3655400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3655723) 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, 1827711 + 1827712.

It is an arithmetic number, because the mean of its divisors is an integer number (1827712).

Almost surely, 2^3655423 is an apocalyptic number.

3655423 is a deficient number, since it is larger than the sum of its proper divisors (1).

3655423 is an equidigital number, since it uses as much as digits as its factorization.

3655423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 28.

The square root of 3655423 is about 1911.9160546426. The cubic root of 3655423 is about 154.0443876097.

The spelling of 3655423 in words is "three million, six hundred fifty-five thousand, four hundred twenty-three".