1443213223 has 8 divisors (see below), whose sum is σ = 1507622400. Its totient is φ = 1378942488.

The previous prime is 1443213199. The next prime is 1443213241. The reversal of 1443213223 is 3223123441.

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 1443213223 - 2²⁵ = 1409658791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443213523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13003 + ... + 55276.

It is an arithmetic number, because the mean of its divisors is an integer number (188452800).

Almost surely, 2^1443213223 is an apocalyptic number.

1443213223 is a deficient number, since it is larger than the sum of its proper divisors (64409177).

1443213223 is an equidigital number, since it uses as much as digits as its factorization.

1443213223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69221.

The product of its digits is 3456, while the sum is 25.

The square root of 1443213223 is about 37989.6462605274. The cubic root of 1443213223 is about 1130.0825436348.

Adding to 1443213223 its reverse (3223123441), we get a palindrome (4666336664).

The spelling of 1443213223 in words is "one billion, four hundred forty-three million, two hundred thirteen thousand, two hundred twenty-three".