43220412302423 has 4 divisors (see below), whose sum is σ = 43220467803240. Its totient is φ = 43220356801608.

The previous prime is 43220412302393. The next prime is 43220412302447. The reversal of 43220412302423 is 32420321402234.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43220412302423 - 2²⁶ = 43220345193559 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43220412302423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43220412302723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26565440 + ... + 28145397.

It is an arithmetic number, because the mean of its divisors is an integer number (10805116950810).

Almost surely, 2^{43220412302423} is an apocalyptic number.

43220412302423 is a deficient number, since it is larger than the sum of its proper divisors (55500817).

43220412302423 is an equidigital number, since it uses as much as digits as its factorization.

43220412302423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55500816.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 43220412302423 its reverse (32420321402234), we get a palindrome (75640733704657).

The spelling of 43220412302423 in words is "forty-three trillion, two hundred twenty billion, four hundred twelve million, three hundred two thousand, four hundred twenty-three".