423730113 has 4 divisors (see below), whose sum is σ = 564973488. Its totient is φ = 282486740.

The previous prime is 423730093. The next prime is 423730147. The reversal of 423730113 is 311037324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423730113 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (423730193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70621683 + ... + 70621688.

It is an arithmetic number, because the mean of its divisors is an integer number (141243372).

Almost surely, 2^423730113 is an apocalyptic number.

It is an amenable number.

423730113 is a deficient number, since it is larger than the sum of its proper divisors (141243375).

423730113 is a wasteful number, since it uses less digits than its factorization.

423730113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141243374.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 423730113 is about 20584.7058030957. The cubic root of 423730113 is about 751.0977187897.

Adding to 423730113 its reverse (311037324), we get a palindrome (734767437).

The spelling of 423730113 in words is "four hundred twenty-three million, seven hundred thirty thousand, one hundred thirteen".