2102440343 has 2 divisors, whose sum is σ = 2102440344. Its totient is φ = 2102440342.

The previous prime is 2102440297. The next prime is 2102440349. The reversal of 2102440343 is 3430442012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2102440343 - 2²⁰ = 2101391767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102440349) by changing a digit.

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 as a sum of consecutive naturals, namely, 1051220171 + 1051220172.

It is an arithmetic number, because the mean of its divisors is an integer number (1051220172).

Almost surely, 2^2102440343 is an apocalyptic number.

2102440343 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102440343 is an equidigital number, since it uses as much as digits as its factorization.

2102440343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2102440343 is about 45852.3755436946. The cubic root of 2102440343 is about 1281.0750130310.

Adding to 2102440343 its reverse (3430442012), we get a palindrome (5532882355).

The spelling of 2102440343 in words is "two billion, one hundred two million, four hundred forty thousand, three hundred forty-three".