43220232329 has 2 divisors, whose sum is σ = 43220232330. Its totient is φ = 43220232328.

The previous prime is 43220232299. The next prime is 43220232373. The reversal of 43220232329 is 92323202234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42416226304 + 804006025 = 205952^2 + 28355^2 .

It is a cyclic number.

It is not a de Polignac number, because 43220232329 - 2²⁸ = 42951796873 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43220232295 and 43220232304.

It is not a weakly prime, because it can be changed into another prime (43220232379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21610116164 + 21610116165.

It is an arithmetic number, because the mean of its divisors is an integer number (21610116165).

Almost surely, 2^43220232329 is an apocalyptic number.

It is an amenable number.

43220232329 is a deficient number, since it is larger than the sum of its proper divisors (1).

43220232329 is an equidigital number, since it uses as much as digits as its factorization.

43220232329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 32.

The spelling of 43220232329 in words is "forty-three billion, two hundred twenty million, two hundred thirty-two thousand, three hundred twenty-nine".