53430239243 has 2 divisors, whose sum is σ = 53430239244. Its totient is φ = 53430239242.

The previous prime is 53430239231. The next prime is 53430239281. The reversal of 53430239243 is 34293203435.

It is an a-pointer prime, because the next prime (53430239281) can be obtained adding 53430239243 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53430239243 - 2¹⁸ = 53429977099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53430239197 and 53430239206.

It is not a weakly prime, because it can be changed into another prime (53430239293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26715119621 + 26715119622.

It is an arithmetic number, because the mean of its divisors is an integer number (26715119622).

Almost surely, 2^53430239243 is an apocalyptic number.

53430239243 is a deficient number, since it is larger than the sum of its proper divisors (1).

53430239243 is an equidigital number, since it uses as much as digits as its factorization.

53430239243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 38.

The spelling of 53430239243 in words is "fifty-three billion, four hundred thirty million, two hundred thirty-nine thousand, two hundred forty-three".