443234223109 has 2 divisors, whose sum is σ = 443234223110. Its totient is φ = 443234223108.

The previous prime is 443234223101. The next prime is 443234223167. The reversal of 443234223109 is 901322432344.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 422376509025 + 20857714084 = 649905^2 + 144422^2 .

It is a cyclic number.

It is not a de Polignac number, because 443234223109 - 2³ = 443234223101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (443234223101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221617111554 + 221617111555.

It is an arithmetic number, because the mean of its divisors is an integer number (221617111555).

Almost surely, 2^443234223109 is an apocalyptic number.

It is an amenable number.

443234223109 is a deficient number, since it is larger than the sum of its proper divisors (1).

443234223109 is an equidigital number, since it uses as much as digits as its factorization.

443234223109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 37.

The spelling of 443234223109 in words is "four hundred forty-three billion, two hundred thirty-four million, two hundred twenty-three thousand, one hundred nine".