1231234223 has 8 divisors (see below), whose sum is σ = 1301951616. Its totient is φ = 1162454400.

The previous prime is 1231234189. The next prime is 1231234241. The reversal of 1231234223 is 3224321321.

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 1231234223 - 2⁶ = 1231234159 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 (1231234273) 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, 483086 + ... + 485627.

It is an arithmetic number, because the mean of its divisors is an integer number (162743952).

Almost surely, 2^1231234223 is an apocalyptic number.

1231234223 is a deficient number, since it is larger than the sum of its proper divisors (70717393).

1231234223 is an equidigital number, since it uses as much as digits as its factorization.

1231234223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968785.

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

The square root of 1231234223 is about 35088.9473053838. The cubic root of 1231234223 is about 1071.7995231846.

Adding to 1231234223 its reverse (3224321321), we get a palindrome (4455555544).

The spelling of 1231234223 in words is "one billion, two hundred thirty-one million, two hundred thirty-four thousand, two hundred twenty-three".