43204126403 has 2 divisors, whose sum is σ = 43204126404. Its totient is φ = 43204126402.

The previous prime is 43204126379. The next prime is 43204126507. The reversal of 43204126403 is 30462140234.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43204126403 is a prime.

It is not a weakly prime, because it can be changed into another prime (43204126103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21602063201 + 21602063202.

It is an arithmetic number, because the mean of its divisors is an integer number (21602063202).

Almost surely, 2^43204126403 is an apocalyptic number.

43204126403 is a deficient number, since it is larger than the sum of its proper divisors (1).

43204126403 is an equidigital number, since it uses as much as digits as its factorization.

43204126403 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 43204126403 its reverse (30462140234), we get a palindrome (73666266637).

The spelling of 43204126403 in words is "forty-three billion, two hundred four million, one hundred twenty-six thousand, four hundred three".