423130417 has 2 divisors, whose sum is σ = 423130418. Its totient is φ = 423130416.

The previous prime is 423130369. The next prime is 423130423. The reversal of 423130417 is 714031324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 423083761 + 46656 = 20569^2 + 216^2 .

It is a cyclic number.

It is not a de Polignac number, because 423130417 - 2¹¹ = 423128369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423130391 and 423130400.

It is not a weakly prime, because it can be changed into another prime (423130427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211565208 + 211565209.

It is an arithmetic number, because the mean of its divisors is an integer number (211565209).

Almost surely, 2^423130417 is an apocalyptic number.

It is an amenable number.

423130417 is a deficient number, since it is larger than the sum of its proper divisors (1).

423130417 is an equidigital number, since it uses as much as digits as its factorization.

423130417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 423130417 is about 20570.1341026256. The cubic root of 423130417 is about 750.7432140820.

The spelling of 423130417 in words is "four hundred twenty-three million, one hundred thirty thousand, four hundred seventeen".