53430443243 has 2 divisors, whose sum is σ = 53430443244. Its totient is φ = 53430443242.

The previous prime is 53430443119. The next prime is 53430443257. The reversal of 53430443243 is 34234403435.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53430443243 - 2¹⁴ = 53430426859 is a prime.

It is not a weakly prime, because it can be changed into another prime (53430443293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26715221621 + 26715221622.

It is an arithmetic number, because the mean of its divisors is an integer number (26715221622).

Almost surely, 2^53430443243 is an apocalyptic number.

53430443243 is a deficient number, since it is larger than the sum of its proper divisors (1).

53430443243 is an equidigital number, since it uses as much as digits as its factorization.

53430443243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 35.

Adding to 53430443243 its reverse (34234403435), we get a palindrome (87664846678).

The spelling of 53430443243 in words is "fifty-three billion, four hundred thirty million, four hundred forty-three thousand, two hundred forty-three".