43221222323 has 2 divisors, whose sum is σ = 43221222324. Its totient is φ = 43221222322.

The previous prime is 43221222313. The next prime is 43221222337. The reversal of 43221222323 is 32322212234.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43221222323 - 2⁶ = 43221222259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43221222292 and 43221222301.

It is not a weakly prime, because it can be changed into another prime (43221222313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21610611161 + 21610611162.

It is an arithmetic number, because the mean of its divisors is an integer number (21610611162).

Almost surely, 2^43221222323 is an apocalyptic number.

43221222323 is a deficient number, since it is larger than the sum of its proper divisors (1).

43221222323 is an equidigital number, since it uses as much as digits as its factorization.

43221222323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 26.

Adding to 43221222323 its reverse (32322212234), we get a palindrome (75543434557).

The spelling of 43221222323 in words is "forty-three billion, two hundred twenty-one million, two hundred twenty-two thousand, three hundred twenty-three".