43413421223 has 4 divisors (see below), whose sum is σ = 43415430768. Its totient is φ = 43411411680.

The previous prime is 43413421133. The next prime is 43413421277. The reversal of 43413421223 is 32212431434.

43413421223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 43413421223 - 2¹² = 43413417127 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 (43413321223) 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, 972011 + ... + 1015692.

It is an arithmetic number, because the mean of its divisors is an integer number (10853857692).

Almost surely, 2^43413421223 is an apocalyptic number.

43413421223 is a deficient number, since it is larger than the sum of its proper divisors (2009545).

43413421223 is a wasteful number, since it uses less digits than its factorization.

43413421223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009544.

The product of its digits is 13824, while the sum is 29.

Adding to 43413421223 its reverse (32212431434), we get a palindrome (75625852657).

The spelling of 43413421223 in words is "forty-three billion, four hundred thirteen million, four hundred twenty-one thousand, two hundred twenty-three".