43453224223999 has 6 divisors (see below), whose sum is σ = 44397431905184. Its totient is φ = 42528687536220.

The previous prime is 43453224223973. The next prime is 43453224224021. The reversal of 43453224223999 is 99932242235434.

It is not a de Polignac number, because 43453224223999 - 2⁵ = 43453224223967 is a prime.

It is a super-2 number, since 2×43453224223999² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43453224223949) 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 in 5 ways as a sum of consecutive naturals, for example, 9835494447 + ... + 9835498864.

Almost surely, 2^{43453224223999} is an apocalyptic number.

43453224223999 is a deficient number, since it is larger than the sum of its proper divisors (944207681185).

43453224223999 is an equidigital number, since it uses as much as digits as its factorization.

43453224223999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19670993405 (or 19670993358 counting only the distinct ones).

The product of its digits is 100776960, while the sum is 61.

The spelling of 43453224223999 in words is "forty-three trillion, four hundred fifty-three billion, two hundred twenty-four million, two hundred twenty-three thousand, nine hundred ninety-nine".