2130223421 has 8 divisors (see below), whose sum is σ = 2152985400. Its totient is φ = 2107494400.

The previous prime is 2130223321. The next prime is 2130223463. The reversal of 2130223421 is 1243220312.

It can be written as a sum of positive squares in 4 ways, for example, as 1416100 + 2128807321 = 1190^2 + 46139^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2130223421 - 2³⁰ = 1056481597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2130223393 and 2130223402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130223481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134825 + ... + 149793.

It is an arithmetic number, because the mean of its divisors is an integer number (269123175).

Almost surely, 2^2130223421 is an apocalyptic number.

It is an amenable number.

2130223421 is a deficient number, since it is larger than the sum of its proper divisors (22761979).

2130223421 is a wasteful number, since it uses less digits than its factorization.

2130223421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16479.

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

The square root of 2130223421 is about 46154.3434684104. The cubic root of 2130223421 is about 1286.6933362333.

Adding to 2130223421 its reverse (1243220312), we get a palindrome (3373443733).

The spelling of 2130223421 in words is "two billion, one hundred thirty million, two hundred twenty-three thousand, four hundred twenty-one".