43123221203 has 8 divisors (see below), whose sum is σ = 46095660576. Its totient is φ = 40242241600.

The previous prime is 43123221191. The next prime is 43123221209. The reversal of 43123221203 is 30212232134.

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

It is a cyclic number.

It is not a de Polignac number, because 43123221203 - 2¹⁶ = 43123155667 is a prime.

It is a super-2 number, since 2×43123221203² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43123221209) 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, 22863968 + ... + 22865853.

It is an arithmetic number, because the mean of its divisors is an integer number (5761957572).

Almost surely, 2^43123221203 is an apocalyptic number.

43123221203 is a deficient number, since it is larger than the sum of its proper divisors (2972439373).

43123221203 is a wasteful number, since it uses less digits than its factorization.

43123221203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45729885.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 43123221203 its reverse (30212232134), we get a palindrome (73335453337).

The spelling of 43123221203 in words is "forty-three billion, one hundred twenty-three million, two hundred twenty-one thousand, two hundred three".