43404201231023 has 2 divisors, whose sum is σ = 43404201231024. Its totient is φ = 43404201231022.

The previous prime is 43404201231007. The next prime is 43404201231059. The reversal of 43404201231023 is 32013210240434.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43404201231023 - 2⁴ = 43404201231007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43404207231023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21702100615511 + 21702100615512.

It is an arithmetic number, because the mean of its divisors is an integer number (21702100615512).

Almost surely, 2^{43404201231023} is an apocalyptic number.

43404201231023 is a deficient number, since it is larger than the sum of its proper divisors (1).

43404201231023 is an equidigital number, since it uses as much as digits as its factorization.

43404201231023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 43404201231023 its reverse (32013210240434), we get a palindrome (75417411471457).

The spelling of 43404201231023 in words is "forty-three trillion, four hundred four billion, two hundred one million, two hundred thirty-one thousand, twenty-three".