434212123 has 2 divisors, whose sum is σ = 434212124. Its totient is φ = 434212122.

The previous prime is 434212109. The next prime is 434212169. The reversal of 434212123 is 321212434.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 434212123 - 2⁹ = 434211611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 434212094 and 434212103.

It is not a weakly prime, because it can be changed into another prime (434215123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217106061 + 217106062.

It is an arithmetic number, because the mean of its divisors is an integer number (217106062).

Almost surely, 2^434212123 is an apocalyptic number.

434212123 is a deficient number, since it is larger than the sum of its proper divisors (1).

434212123 is an equidigital number, since it uses as much as digits as its factorization.

434212123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 22.

The square root of 434212123 is about 20837.7571489832. The cubic root of 434212123 is about 757.2407579741.

Adding to 434212123 its reverse (321212434), we get a palindrome (755424557).

The spelling of 434212123 in words is "four hundred thirty-four million, two hundred twelve thousand, one hundred twenty-three".