43304423053 has 2 divisors, whose sum is σ = 43304423054. Its totient is φ = 43304423052.

The previous prime is 43304423011. The next prime is 43304423083. The reversal of 43304423053 is 35032440334.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42441356169 + 863066884 = 206013^2 + 29378^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43304423053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43304423083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21652211526 + 21652211527.

It is an arithmetic number, because the mean of its divisors is an integer number (21652211527).

Almost surely, 2^43304423053 is an apocalyptic number.

It is an amenable number.

43304423053 is a deficient number, since it is larger than the sum of its proper divisors (1).

43304423053 is an equidigital number, since it uses as much as digits as its factorization.

43304423053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 31.

Adding to 43304423053 its reverse (35032440334), we get a palindrome (78336863387).

The spelling of 43304423053 in words is "forty-three billion, three hundred four million, four hundred twenty-three thousand, fifty-three".