2130343 has 2 divisors, whose sum is σ = 2130344. Its totient is φ = 2130342.

The previous prime is 2130341. The next prime is 2130347. The reversal of 2130343 is 3430312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2130343 - 2¹ = 2130341 is a prime.

It is a super-2 number, since 2×2130343² = 9076722595298, which contains 22 as substring.

Together with 2130341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2130341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065171 + 1065172.

It is an arithmetic number, because the mean of its divisors is an integer number (1065172).

2^2130343 is an apocalyptic number.

2130343 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130343 is an equidigital number, since it uses as much as digits as its factorization.

2130343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 2130343 is about 1459.5694570660. The cubic root of 2130343 is about 128.6717411740.

Adding to 2130343 its reverse (3430312), we get a palindrome (5560655).

The spelling of 2130343 in words is "two million, one hundred thirty thousand, three hundred forty-three".