53723443 has 2 divisors, whose sum is σ = 53723444. Its totient is φ = 53723442.

The previous prime is 53723437. The next prime is 53723447. The reversal of 53723443 is 34432735.

53723443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53723443 - 2²¹ = 51626291 is a prime.

It is not a weakly prime, because it can be changed into another prime (53723447) 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, 26861721 + 26861722.

It is an arithmetic number, because the mean of its divisors is an integer number (26861722).

Almost surely, 2^53723443 is an apocalyptic number.

53723443 is a deficient number, since it is larger than the sum of its proper divisors (1).

53723443 is an equidigital number, since it uses as much as digits as its factorization.

53723443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 31.

The square root of 53723443 is about 7329.6277531673. The cubic root of 53723443 is about 377.3299510415.

The spelling of 53723443 in words is "fifty-three million, seven hundred twenty-three thousand, four hundred forty-three".