423466261 has 2 divisors, whose sum is σ = 423466262. Its totient is φ = 423466260.

The previous prime is 423466259. The next prime is 423466273. The reversal of 423466261 is 162664324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 379509361 + 43956900 = 19481^2 + 6630^2 .

It is a cyclic number.

It is not a de Polignac number, because 423466261 - 2¹ = 423466259 is a prime.

Together with 423466259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423466861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211733130 + 211733131.

It is an arithmetic number, because the mean of its divisors is an integer number (211733131).

Almost surely, 2^423466261 is an apocalyptic number.

It is an amenable number.

423466261 is a deficient number, since it is larger than the sum of its proper divisors (1).

423466261 is an equidigital number, since it uses as much as digits as its factorization.

423466261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 34.

The square root of 423466261 is about 20578.2958721076. The cubic root of 423466261 is about 750.9417863710.

The spelling of 423466261 in words is "four hundred twenty-three million, four hundred sixty-six thousand, two hundred sixty-one".