423245530 has 16 divisors (see below), whose sum is σ = 762315624. Its totient is φ = 169192960.

The previous prime is 423245521. The next prime is 423245531. The reversal of 423245530 is 35542324.

It can be written as a sum of positive squares in 4 ways, for example, as 298632961 + 124612569 = 17281^2 + 11163^2 .

It is not an unprimeable number, because it can be changed into a prime (423245531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4914 + ... + 29506.

Almost surely, 2^423245530 is an apocalyptic number.

423245530 is a deficient number, since it is larger than the sum of its proper divisors (339070094).

423245530 is a wasteful number, since it uses less digits than its factorization.

423245530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26321.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 423245530 is about 20572.9319738340. The cubic root of 423245530 is about 750.8112880251.

Adding to 423245530 its reverse (35542324), we get a palindrome (458787854).

The spelling of 423245530 in words is "four hundred twenty-three million, two hundred forty-five thousand, five hundred thirty".