423026269 has 2 divisors, whose sum is σ = 423026270. Its totient is φ = 423026268.

The previous prime is 423026267. The next prime is 423026287. The reversal of 423026269 is 962620324.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 370100644 + 52925625 = 19238^2 + 7275^2 .

It is a cyclic number.

It is not a de Polignac number, because 423026269 - 2¹ = 423026267 is a prime.

It is a super-2 number, since 2×423026269² = 357902448528120722, which contains 22 as substring.

Together with 423026267, 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 (423026267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211513134 + 211513135.

It is an arithmetic number, because the mean of its divisors is an integer number (211513135).

Almost surely, 2^423026269 is an apocalyptic number.

It is an amenable number.

423026269 is a deficient number, since it is larger than the sum of its proper divisors (1).

423026269 is an equidigital number, since it uses as much as digits as its factorization.

423026269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 423026269 is about 20567.6024125322. The cubic root of 423026269 is about 750.6816138306.

The spelling of 423026269 in words is "four hundred twenty-three million, twenty-six thousand, two hundred sixty-nine".