1233455223 has 32 divisors (see below), whose sum is σ = 2208148992. Its totient is φ = 591465600.

The previous prime is 1233455219. The next prime is 1233455257. The reversal of 1233455223 is 3225543321.

It is not a de Polignac number, because 1233455223 - 2² = 1233455219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233455123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202368 + ... + 208373.

It is an arithmetic number, because the mean of its divisors is an integer number (69004656).

Almost surely, 2^1233455223 is an apocalyptic number.

1233455223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1233455223 is a deficient number, since it is larger than the sum of its proper divisors (974693769).

1233455223 is a wasteful number, since it uses less digits than its factorization.

1233455223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410775.

The product of its digits is 21600, while the sum is 30.

The square root of 1233455223 is about 35120.5811882435. The cubic root of 1233455223 is about 1072.4436023180.

Adding to 1233455223 its reverse (3225543321), we get a palindrome (4458998544).

The spelling of 1233455223 in words is "one billion, two hundred thirty-three million, four hundred fifty-five thousand, two hundred twenty-three".