4220423140430 has 64 divisors (see below), whose sum is σ = 8696540160000. Its totient is φ = 1444582833408.

The previous prime is 4220423140391. The next prime is 4220423140487. The reversal of 4220423140430 is 340413240224.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4220423140393 and 4220423140402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125594771 + ... + 125628369.

It is an arithmetic number, because the mean of its divisors is an integer number (135883440000).

Almost surely, 2^{4220423140430} is an apocalyptic number.

4220423140430 is an abundant number, since it is smaller than the sum of its proper divisors (4476117019570).

4220423140430 is a wasteful number, since it uses less digits than its factorization.

4220423140430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36561.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 4220423140430 its reverse (340413240224), we get a palindrome (4560836380654).

The spelling of 4220423140430 in words is "four trillion, two hundred twenty billion, four hundred twenty-three million, one hundred forty thousand, four hundred thirty".