43232420323 has 2 divisors, whose sum is σ = 43232420324. Its totient is φ = 43232420322.

The previous prime is 43232420321. The next prime is 43232420443. The reversal of 43232420323 is 32302423234.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43232420323 - 2¹ = 43232420321 is a prime.

Together with 43232420321, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 43232420291 and 43232420300.

It is not a weakly prime, because it can be changed into another prime (43232420321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21616210161 + 21616210162.

It is an arithmetic number, because the mean of its divisors is an integer number (21616210162).

Almost surely, 2^43232420323 is an apocalyptic number.

43232420323 is a deficient number, since it is larger than the sum of its proper divisors (1).

43232420323 is an equidigital number, since it uses as much as digits as its factorization.

43232420323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 43232420323 its reverse (32302423234), we get a palindrome (75534843557).

The spelling of 43232420323 in words is "forty-three billion, two hundred thirty-two million, four hundred twenty thousand, three hundred twenty-three".