3430123 has 2 divisors, whose sum is σ = 3430124. Its totient is φ = 3430122.

The previous prime is 3430117. The next prime is 3430171. The reversal of 3430123 is 3210343.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3430123 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 3430097 and 3430106.

It is not a weakly prime, because it can be changed into another prime (3430423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1715061 + 1715062.

It is an arithmetic number, because the mean of its divisors is an integer number (1715062).

Almost surely, 2^3430123 is an apocalyptic number.

3430123 is a deficient number, since it is larger than the sum of its proper divisors (1).

3430123 is an equidigital number, since it uses as much as digits as its factorization.

3430123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 3430123 is about 1852.0591243262. The cubic root of 3430123 is about 150.8122309709.

Adding to 3430123 its reverse (3210343), we get a palindrome (6640466).

It can be divided in two parts, 3430 and 123, that added together give a palindrome (3553).

The spelling of 3430123 in words is "three million, four hundred thirty thousand, one hundred twenty-three".