4230121340 has 12 divisors (see below), whose sum is σ = 8883254856. Its totient is φ = 1692048528.

The previous prime is 4230121327. The next prime is 4230121351. The reversal of 4230121340 is 431210324.

It is a super-2 number, since 2×4230121340² = 35787853102246791200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 211506067 = 4230121340 / (4 + 2 + 3 + 0 + 1 + 2 + 1 + 3 + 4 + 0).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 105753014 + ... + 105753053.

It is an arithmetic number, because the mean of its divisors is an integer number (740271238).

Almost surely, 2^4230121340 is an apocalyptic number.

It is an amenable number.

4230121340 is an abundant number, since it is smaller than the sum of its proper divisors (4653133516).

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

4230121340 is a wasteful number, since it uses less digits than its factorization.

4230121340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211506076 (or 211506074 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4230121340 is about 65039.3829921533. The cubic root of 4230121340 is about 1617.2764963786.

Adding to 4230121340 its reverse (431210324), we get a palindrome (4661331664).

The spelling of 4230121340 in words is "four billion, two hundred thirty million, one hundred twenty-one thousand, three hundred forty".