4123430220 has 192 divisors, whose sum is σ = 14594743296. Its totient is φ = 846443520.

The previous prime is 4123430219. The next prime is 4123430231. The reversal of 4123430220 is 220343214.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 191815 + ... + 212225.

It is an arithmetic number, because the mean of its divisors is an integer number (76014288).

Almost surely, 2^4123430220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4123430220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7297371648).

4123430220 is an abundant number, since it is smaller than the sum of its proper divisors (10471313076).

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

4123430220 is a wasteful number, since it uses less digits than its factorization.

4123430220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20480 (or 20478 counting only the distinct ones).

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

The square root of 4123430220 is about 64213.9410097216. The cubic root of 4123430220 is about 1603.5636998631.

Adding to 4123430220 its reverse (220343214), we get a palindrome (4343773434).

The spelling of 4123430220 in words is "four billion, one hundred twenty-three million, four hundred thirty thousand, two hundred twenty".