4020432343 has 2 divisors, whose sum is σ = 4020432344. Its totient is φ = 4020432342.

The previous prime is 4020432341. The next prime is 4020432349. The reversal of 4020432343 is 3432340204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4020432343 - 2¹ = 4020432341 is a prime.

Together with 4020432341, 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 (4020432341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010216171 + 2010216172.

It is an arithmetic number, because the mean of its divisors is an integer number (2010216172).

Almost surely, 2^4020432343 is an apocalyptic number.

4020432343 is a deficient number, since it is larger than the sum of its proper divisors (1).

4020432343 is an equidigital number, since it uses as much as digits as its factorization.

4020432343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 4020432343 is about 63406.8793034321. The cubic root of 4020432343 is about 1590.0993230677.

Adding to 4020432343 its reverse (3432340204), we get a palindrome (7452772547).

The spelling of 4020432343 in words is "four billion, twenty million, four hundred thirty-two thousand, three hundred forty-three".