423412123 has 2 divisors, whose sum is σ = 423412124. Its totient is φ = 423412122.

The previous prime is 423412103. The next prime is 423412141. The reversal of 423412123 is 321214324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423412123 - 2¹⁷ = 423281051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423412094 and 423412103.

It is not a weakly prime, because it can be changed into another prime (423412103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211706061 + 211706062.

It is an arithmetic number, because the mean of its divisors is an integer number (211706062).

Almost surely, 2^423412123 is an apocalyptic number.

423412123 is a deficient number, since it is larger than the sum of its proper divisors (1).

423412123 is an equidigital number, since it uses as much as digits as its factorization.

423412123 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 423412123 is about 20576.9804150172. The cubic root of 423412123 is about 750.9097836491.

Adding to 423412123 its reverse (321214324), we get a palindrome (744626447).

The spelling of 423412123 in words is "four hundred twenty-three million, four hundred twelve thousand, one hundred twenty-three".