43432230431 has 2 divisors, whose sum is σ = 43432230432. Its totient is φ = 43432230430.

The previous prime is 43432230427. The next prime is 43432230437. The reversal of 43432230431 is 13403223434.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43432230431 - 2² = 43432230427 is a prime.

It is a super-2 number, since 2×43432230431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43432230394 and 43432230403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43432230437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21716115215 + 21716115216.

It is an arithmetic number, because the mean of its divisors is an integer number (21716115216).

Almost surely, 2^43432230431 is an apocalyptic number.

43432230431 is a deficient number, since it is larger than the sum of its proper divisors (1).

43432230431 is an equidigital number, since it uses as much as digits as its factorization.

43432230431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 43432230431 its reverse (13403223434), we get a palindrome (56835453865).

The spelling of 43432230431 in words is "forty-three billion, four hundred thirty-two million, two hundred thirty thousand, four hundred thirty-one".