43216421223 has 8 divisors (see below), whose sum is σ = 57624419200. Its totient is φ = 28809685368.

The previous prime is 43216421221. The next prime is 43216421231. The reversal of 43216421223 is 32212461234.

43216421223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43216421223 - 2¹ = 43216421221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43216421221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232513 + ... + 374826.

It is an arithmetic number, because the mean of its divisors is an integer number (7203052400).

Almost surely, 2^43216421223 is an apocalyptic number.

43216421223 is a deficient number, since it is larger than the sum of its proper divisors (14407997977).

43216421223 is a wasteful number, since it uses less digits than its factorization.

43216421223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631061.

The product of its digits is 13824, while the sum is 30.

Adding to 43216421223 its reverse (32212461234), we get a palindrome (75428882457).

The spelling of 43216421223 in words is "forty-three billion, two hundred sixteen million, four hundred twenty-one thousand, two hundred twenty-three".