3556123 has 2 divisors, whose sum is σ = 3556124. Its totient is φ = 3556122.

The previous prime is 3556121. The next prime is 3556129. The reversal of 3556123 is 3216553.

It is a happy number.

3556123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3556123 - 2¹ = 3556121 is a prime.

It is a super-2 number, since 2×3556123² = 25292021582258, which contains 22 as substring.

Together with 3556121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3556121) 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, 1778061 + 1778062.

It is an arithmetic number, because the mean of its divisors is an integer number (1778062).

Almost surely, 2^3556123 is an apocalyptic number.

3556123 is a deficient number, since it is larger than the sum of its proper divisors (1).

3556123 is an equidigital number, since it uses as much as digits as its factorization.

3556123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2700, while the sum is 25.

The square root of 3556123 is about 1885.7685435917. The cubic root of 3556123 is about 152.6366847636.

The spelling of 3556123 in words is "three million, five hundred fifty-six thousand, one hundred twenty-three".