12233023231 has 16 divisors (see below), whose sum is σ = 14374821888. Its totient is φ = 10263218400.

The previous prime is 12233023219. The next prime is 12233023237. The reversal of 12233023231 is 13232033221.

It is a cyclic number.

It is not a de Polignac number, because 12233023231 - 2⁵ = 12233023199 is a prime.

It is a super-2 number, since 2×12233023231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12233023237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1099426 + ... + 1110496.

It is an arithmetic number, because the mean of its divisors is an integer number (898426368).

Almost surely, 2^12233023231 is an apocalyptic number.

12233023231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12233023231 is a deficient number, since it is larger than the sum of its proper divisors (2141798657).

12233023231 is a wasteful number, since it uses less digits than its factorization.

12233023231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18822.

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

Adding to 12233023231 its reverse (13232033221), we get a palindrome (25465056452).

The spelling of 12233023231 in words is "twelve billion, two hundred thirty-three million, twenty-three thousand, two hundred thirty-one".