43301421323 has 2 divisors, whose sum is σ = 43301421324. Its totient is φ = 43301421322.

The previous prime is 43301421313. The next prime is 43301421337. The reversal of 43301421323 is 32312410334.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43301421323 - 2⁸ = 43301421067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43301421292 and 43301421301.

It is not a weakly prime, because it can be changed into another prime (43301421313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21650710661 + 21650710662.

It is an arithmetic number, because the mean of its divisors is an integer number (21650710662).

Almost surely, 2^43301421323 is an apocalyptic number.

43301421323 is a deficient number, since it is larger than the sum of its proper divisors (1).

43301421323 is an equidigital number, since it uses as much as digits as its factorization.

43301421323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 43301421323 its reverse (32312410334), we get a palindrome (75613831657).

The spelling of 43301421323 in words is "forty-three billion, three hundred one million, four hundred twenty-one thousand, three hundred twenty-three".