3428423 has 2 divisors, whose sum is σ = 3428424. Its totient is φ = 3428422.

The previous prime is 3428419. The next prime is 3428437. The reversal of 3428423 is 3248243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3428423 - 2² = 3428419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3428392 and 3428401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3428413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1714211 + 1714212.

It is an arithmetic number, because the mean of its divisors is an integer number (1714212).

Almost surely, 2^3428423 is an apocalyptic number.

3428423 is a deficient number, since it is larger than the sum of its proper divisors (1).

3428423 is an equidigital number, since it uses as much as digits as its factorization.

3428423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 26.

The square root of 3428423 is about 1851.6001188162. The cubic root of 3428423 is about 150.7873122183.

The spelling of 3428423 in words is "three million, four hundred twenty-eight thousand, four hundred twenty-three".