423334423 has 2 divisors, whose sum is σ = 423334424. Its totient is φ = 423334422.

The previous prime is 423334403. The next prime is 423334433. The reversal of 423334423 is 324433324.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423334423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423334391 and 423334400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423334403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211667211 + 211667212.

It is an arithmetic number, because the mean of its divisors is an integer number (211667212).

Almost surely, 2^423334423 is an apocalyptic number.

423334423 is a deficient number, since it is larger than the sum of its proper divisors (1).

423334423 is an equidigital number, since it uses as much as digits as its factorization.

423334423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 28.

The square root of 423334423 is about 20575.0922962693. The cubic root of 423334423 is about 750.8638478997.

Adding to 423334423 its reverse (324433324), we get a palindrome (747767747).

The spelling of 423334423 in words is "four hundred twenty-three million, three hundred thirty-four thousand, four hundred twenty-three".