1232312223 has 8 divisors (see below), whose sum is σ = 1678042368. Its totient is φ = 804061784.

The previous prime is 1232312219. The next prime is 1232312251. The reversal of 1232312223 is 3222132321.

It is a happy number.

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 1232312223 - 2² = 1232312219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1232312223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232312273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4369761 + ... + 4370042.

It is an arithmetic number, because the mean of its divisors is an integer number (209755296).

Almost surely, 2^1232312223 is an apocalyptic number.

1232312223 is a deficient number, since it is larger than the sum of its proper divisors (445730145).

1232312223 is an equidigital number, since it uses as much as digits as its factorization.

1232312223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8739853.

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

The square root of 1232312223 is about 35104.3049069484. The cubic root of 1232312223 is about 1072.1122345618.

Adding to 1232312223 its reverse (3222132321), we get a palindrome (4454444544).

The spelling of 1232312223 in words is "one billion, two hundred thirty-two million, three hundred twelve thousand, two hundred twenty-three".