43400221223 has 8 divisors (see below), whose sum is σ = 43569527760. Its totient is φ = 43231006080.

The previous prime is 43400221201. The next prime is 43400221229. The reversal of 43400221223 is 32212200434.

43400221223 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43400221223 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 (43400221229) 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, 1020968 + ... + 1062626.

It is an arithmetic number, because the mean of its divisors is an integer number (5446190970).

Almost surely, 2^43400221223 is an apocalyptic number.

43400221223 is a deficient number, since it is larger than the sum of its proper divisors (169306537).

43400221223 is a wasteful number, since it uses less digits than its factorization.

43400221223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45697.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 43400221223 its reverse (32212200434), we get a palindrome (75612421657).

The spelling of 43400221223 in words is "forty-three billion, four hundred million, two hundred twenty-one thousand, two hundred twenty-three".