1233231223 has 4 divisors (see below), whose sum is σ = 1409407120. Its totient is φ = 1057055328.

The previous prime is 1233231211. The next prime is 1233231247. The reversal of 1233231223 is 3221323321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3221323321 = 71 ⋅45370751.

It is not a de Polignac number, because 1233231223 - 2⁵ = 1233231191 is a prime.

It is a super-3 number, since 3×1233231223³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1233231194 and 1233231203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233231253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88087938 + ... + 88087951.

It is an arithmetic number, because the mean of its divisors is an integer number (352351780).

Almost surely, 2^1233231223 is an apocalyptic number.

1233231223 is a deficient number, since it is larger than the sum of its proper divisors (176175897).

1233231223 is an equidigital number, since it uses as much as digits as its factorization.

1233231223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176175896.

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

The square root of 1233231223 is about 35117.3920301608. The cubic root of 1233231223 is about 1072.3786784883.

Adding to 1233231223 its reverse (3221323321), we get a palindrome (4454554544).

The spelling of 1233231223 in words is "one billion, two hundred thirty-three million, two hundred thirty-one thousand, two hundred twenty-three".