43031201223 has 4 divisors (see below), whose sum is σ = 57374934968. Its totient is φ = 28687467480.

The previous prime is 43031201209. The next prime is 43031201251. The reversal of 43031201223 is 32210213034.

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

It is not a de Polignac number, because 43031201223 - 2⁹ = 43031200711 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 43031201223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43031201263) 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, 7171866868 + ... + 7171866873.

It is an arithmetic number, because the mean of its divisors is an integer number (14343733742).

Almost surely, 2^43031201223 is an apocalyptic number.

43031201223 is a deficient number, since it is larger than the sum of its proper divisors (14343733745).

43031201223 is a wasteful number, since it uses less digits than its factorization.

43031201223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14343733744.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 43031201223 its reverse (32210213034), we get a palindrome (75241414257).

The spelling of 43031201223 in words is "forty-three billion, thirty-one million, two hundred one thousand, two hundred twenty-three".