423122263 has 2 divisors, whose sum is σ = 423122264. Its totient is φ = 423122262.

The previous prime is 423122251. The next prime is 423122321. The reversal of 423122263 is 362221324.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423122263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423122233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211561131 + 211561132.

It is an arithmetic number, because the mean of its divisors is an integer number (211561132).

Almost surely, 2^423122263 is an apocalyptic number.

423122263 is a deficient number, since it is larger than the sum of its proper divisors (1).

423122263 is an equidigital number, since it uses as much as digits as its factorization.

423122263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 25.

The square root of 423122263 is about 20569.9359016989. The cubic root of 423122263 is about 750.7383916133.

Adding to 423122263 its reverse (362221324), we get a palindrome (785343587).

The spelling of 423122263 in words is "four hundred twenty-three million, one hundred twenty-two thousand, two hundred sixty-three".