43432021223 has 2 divisors, whose sum is σ = 43432021224. Its totient is φ = 43432021222.

The previous prime is 43432021219. The next prime is 43432021291. The reversal of 43432021223 is 32212023434.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43432021223 - 2² = 43432021219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43432021192 and 43432021201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43432221223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21716010611 + 21716010612.

It is an arithmetic number, because the mean of its divisors is an integer number (21716010612).

Almost surely, 2^43432021223 is an apocalyptic number.

43432021223 is a deficient number, since it is larger than the sum of its proper divisors (1).

43432021223 is an equidigital number, since it uses as much as digits as its factorization.

43432021223 is an odious number, because the sum of its binary digits is odd.

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

Adding to 43432021223 its reverse (32212023434), we get a palindrome (75644044657).

The spelling of 43432021223 in words is "forty-three billion, four hundred thirty-two million, twenty-one thousand, two hundred twenty-three".