4023545243 has 2 divisors, whose sum is σ = 4023545244. Its totient is φ = 4023545242.

The previous prime is 4023545237. The next prime is 4023545257. The reversal of 4023545243 is 3425453204.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4023545243 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (4023545143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2011772621 + 2011772622.

It is an arithmetic number, because the mean of its divisors is an integer number (2011772622).

Almost surely, 2^4023545243 is an apocalyptic number.

4023545243 is a deficient number, since it is larger than the sum of its proper divisors (1).

4023545243 is an equidigital number, since it uses as much as digits as its factorization.

4023545243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 32.

The square root of 4023545243 is about 63431.4215748000. The cubic root of 4023545243 is about 1590.5096059105.

Adding to 4023545243 its reverse (3425453204), we get a palindrome (7448998447).

The spelling of 4023545243 in words is "four billion, twenty-three million, five hundred forty-five thousand, two hundred forty-three".