1223123233 has 12 divisors (see below), whose sum is σ = 1347020928. Its totient is φ = 1108360440.

The previous prime is 1223123203. The next prime is 1223123243. The reversal of 1223123233 is 3323213221.

It is not a de Polignac number, because 1223123233 - 2⁵ = 1223123201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223123203) 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 11 ways as a sum of consecutive naturals, for example, 65353 + ... + 81958.

It is an arithmetic number, because the mean of its divisors is an integer number (112251744).

Almost surely, 2^1223123233 is an apocalyptic number.

It is an amenable number.

1223123233 is a deficient number, since it is larger than the sum of its proper divisors (123897695).

1223123233 is a wasteful number, since it uses less digits than its factorization.

1223123233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147372 (or 147353 counting only the distinct ones).

The product of its digits is 1296, while the sum is 22.

The square root of 1223123233 is about 34973.1787660201. The cubic root of 1223123233 is about 1069.4407748283.

Adding to 1223123233 its reverse (3323213221), we get a palindrome (4546336454).

The spelling of 1223123233 in words is "one billion, two hundred twenty-three million, one hundred twenty-three thousand, two hundred thirty-three".