423140430 has 32 divisors (see below), whose sum is σ = 1059692544. Its totient is φ = 107931296.

The previous prime is 423140423. The next prime is 423140447. The reversal of 423140430 is 34041324.

It is a junction number, because it is equal to n+sod(n) for n = 423140397 and 423140406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305934 + ... + 307313.

It is an arithmetic number, because the mean of its divisors is an integer number (33115392).

Almost surely, 2^423140430 is an apocalyptic number.

423140430 is an abundant number, since it is smaller than the sum of its proper divisors (636552114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423140430 is a wasteful number, since it uses less digits than its factorization.

423140430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613280.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 423140430 is about 20570.3774880288. The cubic root of 423140430 is about 750.7491359225.

Adding to 423140430 its reverse (34041324), we get a palindrome (457181754).

The spelling of 423140430 in words is "four hundred twenty-three million, one hundred forty thousand, four hundred thirty".