423440530603 has 4 divisors (see below), whose sum is σ = 438041928240. Its totient is φ = 408839132968.

The previous prime is 423440530571. The next prime is 423440530607. The reversal of 423440530603 is 306035044324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 423440530603 - 2⁵ = 423440530571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423440530607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7300698775 + ... + 7300698832.

It is an arithmetic number, because the mean of its divisors is an integer number (109510482060).

Almost surely, 2^423440530603 is an apocalyptic number.

423440530603 is a deficient number, since it is larger than the sum of its proper divisors (14601397637).

423440530603 is a wasteful number, since it uses less digits than its factorization.

423440530603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14601397636.

The product of its (nonzero) digits is 103680, while the sum is 34.

Adding to 423440530603 its reverse (306035044324), we get a palindrome (729475574927).

The spelling of 423440530603 in words is "four hundred twenty-three billion, four hundred forty million, five hundred thirty thousand, six hundred three".