12233440231 has 8 divisors (see below), whose sum is σ = 12768268464. Its totient is φ = 11709871680.

The previous prime is 12233440223. The next prime is 12233440291. The reversal of 12233440231 is 13204433221.

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 12233440231 - 2³ = 12233440223 is a prime.

It is a super-2 number, since 2×12233440231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12233440196 and 12233440205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12233440291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2812701 + ... + 2817046.

It is an arithmetic number, because the mean of its divisors is an integer number (1596033558).

Almost surely, 2^12233440231 is an apocalyptic number.

12233440231 is a deficient number, since it is larger than the sum of its proper divisors (534828233).

12233440231 is an equidigital number, since it uses as much as digits as its factorization.

12233440231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5629841.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 12233440231 its reverse (13204433221), we get a palindrome (25437873452).

The spelling of 12233440231 in words is "twelve billion, two hundred thirty-three million, four hundred forty thousand, two hundred thirty-one".