1223231223 has 8 divisors (see below), whose sum is σ = 1687215600. Its totient is φ = 787367168.

The previous prime is 1223231221. The next prime is 1223231257. The reversal of 1223231223 is 3221323221.

It is a happy number.

1223231223 is digitally balanced in base 4, 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 not a de Polignac number, because 1223231223 - 2¹ = 1223231221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1223231223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223231221) 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, 7029978 + ... + 7030151.

It is an arithmetic number, because the mean of its divisors is an integer number (210901950).

Almost surely, 2^1223231223 is an apocalyptic number.

1223231223 is a deficient number, since it is larger than the sum of its proper divisors (463984377).

1223231223 is a wasteful number, since it uses less digits than its factorization.

1223231223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14060161.

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

The square root of 1223231223 is about 34974.7226293505. The cubic root of 1223231223 is about 1069.4722476751.

Adding to 1223231223 its reverse (3221323221), we get a palindrome (4444554444).

The spelling of 1223231223 in words is "one billion, two hundred twenty-three million, two hundred thirty-one thousand, two hundred twenty-three".