2143420300 has 72 divisors (see below), whose sum is σ = 5335769600. Its totient is φ = 732110400.

The previous prime is 2143420291. The next prime is 2143420309. The reversal of 2143420300 is 30243412.

It is an interprime number because it is at equal distance from previous prime (2143420291) and next prime (2143420309).

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (2143420309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184051 + ... + 195349.

Almost surely, 2^2143420300 is an apocalyptic number.

2143420300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2143420300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2667884800).

2143420300 is an abundant number, since it is smaller than the sum of its proper divisors (3192349300).

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

2143420300 is a wasteful number, since it uses less digits than its factorization.

2143420300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11591 (or 11584 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2143420300 is about 46297.0873813893. The cubic root of 2143420300 is about 1289.3449190842.

Adding to 2143420300 its reverse (30243412), we get a palindrome (2173663712).

The spelling of 2143420300 in words is "two billion, one hundred forty-three million, four hundred twenty thousand, three hundred".