423730313 has 2 divisors, whose sum is σ = 423730314. Its totient is φ = 423730312.

The previous prime is 423730301. The next prime is 423730393. The reversal of 423730313 is 313037324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 413024329 + 10705984 = 20323^2 + 3272^2 .

It is a cyclic number.

It is not a de Polignac number, because 423730313 - 2⁸ = 423730057 is a prime.

It is not a weakly prime, because it can be changed into another prime (423730393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211865156 + 211865157.

It is an arithmetic number, because the mean of its divisors is an integer number (211865157).

Almost surely, 2^423730313 is an apocalyptic number.

It is an amenable number.

423730313 is a deficient number, since it is larger than the sum of its proper divisors (1).

423730313 is an equidigital number, since it uses as much as digits as its factorization.

423730313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 26.

The square root of 423730313 is about 20584.7106610708. The cubic root of 423730313 is about 751.0978369620.

Adding to 423730313 its reverse (313037324), we get a palindrome (736767637).

The spelling of 423730313 in words is "four hundred twenty-three million, seven hundred thirty thousand, three hundred thirteen".