423088817 has 2 divisors, whose sum is σ = 423088818. Its totient is φ = 423088816.

The previous prime is 423088769. The next prime is 423088829. The reversal of 423088817 is 718880324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 387459856 + 35628961 = 19684^2 + 5969^2 .

It is a cyclic number.

It is not a de Polignac number, because 423088817 - 2¹⁸ = 422826673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (423088847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211544408 + 211544409.

It is an arithmetic number, because the mean of its divisors is an integer number (211544409).

Almost surely, 2^423088817 is an apocalyptic number.

It is an amenable number.

423088817 is a deficient number, since it is larger than the sum of its proper divisors (1).

423088817 is an equidigital number, since it uses as much as digits as its factorization.

423088817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 423088817 is about 20569.1229030311. The cubic root of 423088817 is about 750.7186102089.

The spelling of 423088817 in words is "four hundred twenty-three million, eighty-eight thousand, eight hundred seventeen".